svn commit: r233628 - in head: lib/libpmc sys/amd64/amd64
sys/amd64/include sys/arm/include sys/conf sys/dev/hwpmc
sys/i386/i386 sys/i386/include sys/kern sys/mips/include
sys/modules/hwpmc sys/pow...
Fabien Thomas
fabien.thomas at netasq.com
Mon Apr 23 08:59:02 UTC 2012
Le 23 avr. 2012 à 10:06, Monthadar Al Jaberi a écrit :
> On Mon, Apr 23, 2012 at 9:47 AM, Fabien Thomas <fabien.thomas at netasq.com> wrote:
>> Hi,
>>
>> The rumors seems true :)
>> Can you try the patch attached (I cannot test as i've no MIPS hardware) ?
>
> my RSPRO boots fine now, thank you :)
>
commited as r234598.
Thanks!
>>
>> Thanks,
>> Fabien
>>
>>
>>> On Mon, Apr 23, 2012 at 8:44 AM, Adrian Chadd <adrian at freebsd.org> wrote:
>>>> Hi Fabien,
>>>>
>>>> I've heard some rumours that this broke hwpmc support for mips24k.
>>>>
>>>> Monthadar, can you please provide some background info for this?
>>>>
>>>
>>> This is the log output
>>>
>>> Using default protocol (TFTP)
>>> Entry point: 0x80050100, address range: 0x80050000-0x804f1dcc
>>> RedBoot> exec
>>> Now booting linux kernel:
>>> Base address 0x80050000 Entry 0x80050100
>>> memsize=0x08000000
>>> modetty0=0,n,8,1,hw
>>> board=RouterStation PRO
>>> ethaddr=00.15.6d.c8.c9.2e
>>> CPU platform: Atheros AR7161 rev 2
>>> CPU Frequency=720 MHz
>>> CPU DDR Frequency=360 MHz
>>> CPU AHB Frequency=180 MHz
>>> platform frequency: 720000000
>>> arguments:
>>> a0 = 00000002
>>> a1 = 80050028
>>> a2 = 80050000
>>> a3 = 00000001
>>> Cmd line: �������m���������������_}������߾q��������������� �����������������߿���������_�w���� �����?-����{������~��
>>> Environment:
>>> memsize = 0x08000000
>>> modetty0 = 0,n,8,1,hw
>>> ethaddr = 00.15.6d.c8.c9.2e
>>> board = RouterStation PRO
>>> Cache info:
>>> picache_stride = 4096
>>> picache_loopcount = 16
>>> pdcache_stride = 4096
>>> pdcache_loopcount = 8
>>> cpu0: MIPS Technologies processor v116.147
>>> MMU: Standard TLB, 16 entries
>>> L1 i-cache: 4 ways of 512 sets, 32 bytes per line
>>> L1 d-cache: 4 ways of 256 sets, 32 bytes per line
>>> Config1=0x9ee3519e<PerfCount,WatchRegs,MIPS16,EJTAG>
>>> Config3=0x20
>>> KDB: debugger backends: ddb
>>> KDB: current backend: ddb
>>> Copyright (c) 1992-2012 The FreeBSD Project.
>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>>> The Regents of the University of California. All rights reserved.
>>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>>> FreeBSD 10.0-CURRENT #12: Fri Apr 20 18:03:16 CEST 2012
>>> root at freebsd-re-9:/usr/obj/mips.mips/usr/src/sys/RSPRO_USB_PROD mips
>>> WARNING: WITNESS option enabled, expect reduced performance.
>>> MEMGUARD DEBUGGING ALLOCATOR INITIALIZED:
>>> MEMGUARD map base: 0xc0800000
>>> MEMGUARD map limit: 0xc1c00000
>>> MEMGUARD map size: 20480 KBytes
>>> real memory = 134217728 (131072K bytes)
>>> avail memory = 123117568 (117MB)
>>> random device not loaded; using insecure entropy
>>> nexus0: <MIPS32 root nexus>
>>> clock0: <Generic MIPS32 ticker> on nexus0
>>> Timecounter "MIPS32" frequency 360000000 Hz quality 800
>>> Event timer "MIPS32" frequency 360000000 Hz quality 800
>>> apb0 at irq 4 on nexus0
>>> uart0: <16550 or compatible> on apb0
>>> uart0: console (115200,n,8,1)
>>> gpio0: <Atheros AR71XX GPIO driver> on apb0
>>> gpio0: [GIANT-LOCKED]
>>> gpio0: gpio pinmask=0x0
>>> gpioc0: <GPIO controller> on gpio0
>>> gpiobus0: <GPIO bus> on gpio0
>>> ehci0: <AR71XX Integrated USB 2.0 controller> at mem
>>> 0x1b000000-0x1bffffff irq 1 on nexus0
>>> usbus0: set host controller mode
>>> usbus0: EHCI version 1.0
>>> usbus0: set host controller mode
>>> usbus0 on ehci0
>>> pcib0 at irq 0 on nexus0
>>> pci0: <PCI bus> on pcib0
>>> pci0: <old, non-VGA display device> at device 0.0 (no driver attached)
>>> ath0: <Atheros 5413> irq 0 at device 17.0 on pci0
>>> ath0: AR5413 mac 10.5 RF5413 phy 6.1
>>> ath0: 2GHz radio: 0x0000; 5GHz radio: 0x0063
>>> arge0: <Atheros AR71xx built-in ethernet interface> at mem
>>> 0x19000000-0x19000fff irq 2 on nexus0
>>> arge0: No PHY specified, using mask 16
>>> miibus0: <MII bus> on arge0
>>> ukphy0: <Generic IEEE 802.3u media interface> PHY 4 on miibus0
>>> ukphy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>>> arge0: Ethernet address: 00:15:6d:c8:c9:2e
>>> arge1: <Atheros AR71xx built-in ethernet interface> at mem
>>> 0x1a000000-0x1a000fff irq 3 on nexus0
>>> arge1: No PHY specified, using mask 15
>>> arge1: Ethernet address: 00:15:6d:c8:c9:2f
>>> spi0: <AR71XX SPI> at mem 0x1f000000-0x1f00000f on nexus0
>>> spibus0: <spibus bus> on spi0
>>> mx25l0: <M25Pxx Flash Family> at cs 0 on spibus0
>>> mx25l0: mx25ll128, sector 65536 bytes, 256 sectors
>>> ar71xx_wdog0: <Atheros AR71XX watchdog timer> on nexus0
>>> Timecounters tick every 1.000 msec
>>> usbus0: 480Mbps High Speed USB v2.0
>>> ugen0.1: <Atheros> at usbus0
>>> uhub0: <Atheros EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
>>> panic: [pmc,4816] npmc miscomputed: ri=0, md->npmc=2
>>> KDB: enter: panic
>>> [ thread pid 0 tid 100000 ]
>>> Stopped at kdb_enter+0x4c: lui at,0x8050
>>> db> tr
>>> Tracing pid 0 tid 100000 td 0x804f76d0
>>> db_trace_thread+30 (?,?,?,?) ra 8068b94800000018 sp 0 sz 0
>>> 80075adc+114 (0,?,ffffffff,?) ra 8068b96000000020 sp 100000000 sz 1
>>> 80074e24+388 (?,?,?,?) ra 8068b980000000a8 sp 0 sz 0
>>> db_command_loop+70 (?,?,?,?) ra 8068ba2800000018 sp 0 sz 0
>>> 80077900+f4 (?,?,?,?) ra 8068ba40000001a8 sp 0 sz 0
>>> kdb_trap+110 (?,?,?,?) ra 8068bbe800000030 sp 0 sz 0
>>> trap+c7c (?,?,?,?) ra 8068bc18000000b8 sp 0 sz 0
>>> MipsKernGenException+134 (0,4,8043b1d4,119) ra 8068bcd0000000c8 sp
>>> 100000001 sz 1
>>> kdb_enter+4c (?,?,?,?) ra 8068bd9800000018 sp 0 sz 0
>>> panic+11c (?,12d0,0,2) ra 8068bdb000000028 sp 1 sz 1
>>> 800e8ca8+274 (?,?,?,?) ra 8068bdd800000038 sp 0 sz 0
>>> syscall_module_handler+b8 (?,?,?,?) ra 8068be1000000028 sp 0 sz 0
>>> module_register_init+9c (?,?,?,?) ra 8068be3800000028 sp 0 sz 0
>>> mi_startup+138 (?,?,?,?) ra 8068be6000000020 sp 0 sz 0
>>> _start+90 (?,?,?,?) ra 8068be8000000000 sp 0 sz 0
>>> pid 0
>>> db>
>>>
>>>> Thanks,
>>>>
>>>>
>>>>
>>>> adrian
>>>>
>>>> On 28 March 2012 13:58, Fabien Thomas <fabient at freebsd.org> wrote:
>>>>> Author: fabient
>>>>> Date: Wed Mar 28 20:58:30 2012
>>>>> New Revision: 233628
>>>>> URL: http://svn.freebsd.org/changeset/base/233628
>>>>>
>>>>> Log:
>>>>> Add software PMC support.
>>>>>
>>>>> New kernel events can be added at various location for sampling or counting.
>>>>> This will for example allow easy system profiling whatever the processor is
>>>>> with known tools like pmcstat(8).
>>>>>
>>>>> Simultaneous usage of software PMC and hardware PMC is possible, for example
>>>>> looking at the lock acquire failure, page fault while sampling on
>>>>> instructions.
>>>>>
>>>>> Sponsored by: NETASQ
>>>>> MFC after: 1 month
>>>>>
>>>>> Added:
>>>>> head/lib/libpmc/pmc.soft.3 (contents, props changed)
>>>>> head/sys/dev/hwpmc/hwpmc_soft.c (contents, props changed)
>>>>> head/sys/dev/hwpmc/hwpmc_soft.h (contents, props changed)
>>>>> Modified:
>>>>> head/lib/libpmc/Makefile
>>>>> head/lib/libpmc/libpmc.c
>>>>> head/lib/libpmc/pmc.3
>>>>> head/lib/libpmc/pmc.atom.3
>>>>> head/lib/libpmc/pmc.core.3
>>>>> head/lib/libpmc/pmc.core2.3
>>>>> head/lib/libpmc/pmc.corei7.3
>>>>> head/lib/libpmc/pmc.corei7uc.3
>>>>> head/lib/libpmc/pmc.iaf.3
>>>>> head/lib/libpmc/pmc.k7.3
>>>>> head/lib/libpmc/pmc.k8.3
>>>>> head/lib/libpmc/pmc.mips24k.3
>>>>> head/lib/libpmc/pmc.octeon.3
>>>>> head/lib/libpmc/pmc.p4.3
>>>>> head/lib/libpmc/pmc.p5.3
>>>>> head/lib/libpmc/pmc.p6.3
>>>>> head/lib/libpmc/pmc.sandybridge.3
>>>>> head/lib/libpmc/pmc.sandybridgeuc.3
>>>>> head/lib/libpmc/pmc.tsc.3
>>>>> head/lib/libpmc/pmc.ucf.3
>>>>> head/lib/libpmc/pmc.westmere.3
>>>>> head/lib/libpmc/pmc.westmereuc.3
>>>>> head/lib/libpmc/pmc.xscale.3
>>>>> head/lib/libpmc/pmclog.c
>>>>> head/lib/libpmc/pmclog.h
>>>>> head/sys/amd64/amd64/trap.c
>>>>> head/sys/amd64/include/pmc_mdep.h
>>>>> head/sys/arm/include/pmc_mdep.h
>>>>> head/sys/conf/files
>>>>> head/sys/dev/hwpmc/hwpmc_amd.c
>>>>> head/sys/dev/hwpmc/hwpmc_core.c
>>>>> head/sys/dev/hwpmc/hwpmc_intel.c
>>>>> head/sys/dev/hwpmc/hwpmc_logging.c
>>>>> head/sys/dev/hwpmc/hwpmc_mips.c
>>>>> head/sys/dev/hwpmc/hwpmc_mod.c
>>>>> head/sys/dev/hwpmc/hwpmc_piv.c
>>>>> head/sys/dev/hwpmc/hwpmc_powerpc.c
>>>>> head/sys/dev/hwpmc/hwpmc_ppro.c
>>>>> head/sys/dev/hwpmc/hwpmc_tsc.c
>>>>> head/sys/dev/hwpmc/hwpmc_x86.c
>>>>> head/sys/dev/hwpmc/hwpmc_xscale.c
>>>>> head/sys/dev/hwpmc/pmc_events.h
>>>>> head/sys/i386/i386/trap.c
>>>>> head/sys/i386/include/pmc_mdep.h
>>>>> head/sys/kern/kern_clock.c
>>>>> head/sys/kern/kern_lock.c
>>>>> head/sys/kern/kern_mutex.c
>>>>> head/sys/kern/kern_pmc.c
>>>>> head/sys/kern/kern_rwlock.c
>>>>> head/sys/kern/kern_sx.c
>>>>> head/sys/kern/subr_trap.c
>>>>> head/sys/mips/include/pmc_mdep.h
>>>>> head/sys/modules/hwpmc/Makefile
>>>>> head/sys/powerpc/include/pmc_mdep.h
>>>>> head/sys/sys/pmc.h
>>>>> head/sys/sys/pmckern.h
>>>>> head/sys/sys/pmclog.h
>>>>> head/usr.sbin/pmcstat/pmcstat_log.c
>>>>>
>>>>> Modified: head/lib/libpmc/Makefile
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/Makefile Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/Makefile Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -20,6 +20,7 @@ MAN+= pmc_read.3
>>>>> MAN+= pmc_set.3
>>>>> MAN+= pmc_start.3
>>>>> MAN+= pmclog.3
>>>>> +MAN+= pmc.soft.3
>>>>>
>>>>> # PMC-dependent manual pages
>>>>> .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
>>>>>
>>>>> Modified: head/lib/libpmc/libpmc.c
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/libpmc.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/libpmc.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -77,11 +77,12 @@ static int tsc_allocate_pmc(enum pmc_eve
>>>>> static int xscale_allocate_pmc(enum pmc_event _pe, char *_ctrspec,
>>>>> struct pmc_op_pmcallocate *_pmc_config);
>>>>> #endif
>>>>> -
>>>>> #if defined(__mips__)
>>>>> static int mips_allocate_pmc(enum pmc_event _pe, char* ctrspec,
>>>>> struct pmc_op_pmcallocate *_pmc_config);
>>>>> #endif /* __mips__ */
>>>>> +static int soft_allocate_pmc(enum pmc_event _pe, char *_ctrspec,
>>>>> + struct pmc_op_pmcallocate *_pmc_config);
>>>>>
>>>>> #if defined(__powerpc__)
>>>>> static int ppc7450_allocate_pmc(enum pmc_event _pe, char* ctrspec,
>>>>> @@ -156,6 +157,8 @@ PMC_CLASSDEP_TABLE(octeon, OCTEON);
>>>>> PMC_CLASSDEP_TABLE(ucf, UCF);
>>>>> PMC_CLASSDEP_TABLE(ppc7450, PPC7450);
>>>>>
>>>>> +static struct pmc_event_descr soft_event_table[PMC_EV_DYN_COUNT];
>>>>> +
>>>>> #undef __PMC_EV_ALIAS
>>>>> #define __PMC_EV_ALIAS(N,CODE) { N, PMC_EV_##CODE },
>>>>>
>>>>> @@ -215,21 +218,22 @@ static const struct pmc_event_descr west
>>>>> PMC_CLASS_##C, __VA_ARGS__ \
>>>>> }
>>>>>
>>>>> -PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(core, IAP, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(k7, K7, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(k8, K8, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p4, P4, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p5, P5, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p6, P6, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_XSCALE);
>>>>> -PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_MIPS24K);
>>>>> -PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_OCTEON);
>>>>> -PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_PPC7450);
>>>>> +PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(core, IAP, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(k7, K7, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(k8, K8, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p4, P4, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p5, P5, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p6, P6, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_SOFT, PMC_CLASS_XSCALE);
>>>>> +PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_SOFT, PMC_CLASS_MIPS24K);
>>>>> +PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_SOFT, PMC_CLASS_OCTEON);
>>>>> +PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_SOFT, PMC_CLASS_PPC7450);
>>>>> +PMC_MDEP_TABLE(generic, SOFT, PMC_CLASS_SOFT);
>>>>>
>>>>> static const struct pmc_event_descr tsc_event_table[] =
>>>>> {
>>>>> @@ -279,16 +283,24 @@ PMC_CLASS_TABLE_DESC(tsc, TSC, tsc, tsc)
>>>>> #if defined(__XSCALE__)
>>>>> PMC_CLASS_TABLE_DESC(xscale, XSCALE, xscale, xscale);
>>>>> #endif
>>>>> -
>>>>> #if defined(__mips__)
>>>>> PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips);
>>>>> PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips);
>>>>> #endif /* __mips__ */
>>>>> -
>>>>> #if defined(__powerpc__)
>>>>> PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, ppc7450);
>>>>> #endif
>>>>>
>>>>> +static struct pmc_class_descr soft_class_table_descr =
>>>>> +{
>>>>> + .pm_evc_name = "SOFT-",
>>>>> + .pm_evc_name_size = sizeof("SOFT-") - 1,
>>>>> + .pm_evc_class = PMC_CLASS_SOFT,
>>>>> + .pm_evc_event_table = NULL,
>>>>> + .pm_evc_event_table_size = 0,
>>>>> + .pm_evc_allocate_pmc = soft_allocate_pmc
>>>>> +};
>>>>> +
>>>>> #undef PMC_CLASS_TABLE_DESC
>>>>>
>>>>> static const struct pmc_class_descr **pmc_class_table;
>>>>> @@ -343,9 +355,12 @@ static const char * pmc_state_names[] =
>>>>> __PMC_STATES()
>>>>> };
>>>>>
>>>>> -static int pmc_syscall = -1; /* filled in by pmc_init() */
>>>>> -
>>>>> -static struct pmc_cpuinfo cpu_info; /* filled in by pmc_init() */
>>>>> +/*
>>>>> + * Filled in by pmc_init().
>>>>> + */
>>>>> +static int pmc_syscall = -1;
>>>>> +static struct pmc_cpuinfo cpu_info;
>>>>> +static struct pmc_op_getdyneventinfo soft_event_info;
>>>>>
>>>>> /* Event masks for events */
>>>>> struct pmc_masks {
>>>>> @@ -2179,6 +2194,25 @@ tsc_allocate_pmc(enum pmc_event pe, char
>>>>> }
>>>>> #endif
>>>>>
>>>>> +static struct pmc_event_alias generic_aliases[] = {
>>>>> + EV_ALIAS("instructions", "SOFT-CLOCK.HARD"),
>>>>> + EV_ALIAS(NULL, NULL)
>>>>> +};
>>>>> +
>>>>> +static int
>>>>> +soft_allocate_pmc(enum pmc_event pe, char *ctrspec,
>>>>> + struct pmc_op_pmcallocate *pmc_config)
>>>>> +{
>>>>> + (void)ctrspec;
>>>>> + (void)pmc_config;
>>>>> +
>>>>> + if (pe < PMC_EV_SOFT_FIRST || pe > PMC_EV_SOFT_LAST)
>>>>> + return (-1);
>>>>> +
>>>>> + pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE);
>>>>> + return (0);
>>>>> +}
>>>>> +
>>>>> #if defined(__XSCALE__)
>>>>>
>>>>> static struct pmc_event_alias xscale_aliases[] = {
>>>>> @@ -2663,6 +2697,10 @@ pmc_event_names_of_class(enum pmc_class
>>>>> ev = ppc7450_event_table;
>>>>> count = PMC_EVENT_TABLE_SIZE(ppc7450);
>>>>> break;
>>>>> + case PMC_CLASS_SOFT:
>>>>> + ev = soft_event_table;
>>>>> + count = soft_event_info.pm_nevent;
>>>>> + break;
>>>>> default:
>>>>> errno = EINVAL;
>>>>> return (-1);
>>>>> @@ -2676,6 +2714,7 @@ pmc_event_names_of_class(enum pmc_class
>>>>>
>>>>> for (;count--; ev++, names++)
>>>>> *names = ev->pm_ev_name;
>>>>> +
>>>>> return (0);
>>>>> }
>>>>>
>>>>> @@ -2780,11 +2819,34 @@ pmc_init(void)
>>>>> pmc_class_table[n] = NULL;
>>>>>
>>>>> /*
>>>>> + * Get soft events list.
>>>>> + */
>>>>> + soft_event_info.pm_class = PMC_CLASS_SOFT;
>>>>> + if (PMC_CALL(GETDYNEVENTINFO, &soft_event_info) < 0)
>>>>> + return (pmc_syscall = -1);
>>>>> +
>>>>> + /* Map soft events to static list. */
>>>>> + for (n = 0; n < soft_event_info.pm_nevent; n++) {
>>>>> + soft_event_table[n].pm_ev_name =
>>>>> + soft_event_info.pm_events[n].pm_ev_name;
>>>>> + soft_event_table[n].pm_ev_code =
>>>>> + soft_event_info.pm_events[n].pm_ev_code;
>>>>> + }
>>>>> + soft_class_table_descr.pm_evc_event_table_size = \
>>>>> + soft_event_info.pm_nevent;
>>>>> + soft_class_table_descr.pm_evc_event_table = \
>>>>> + soft_event_table;
>>>>> +
>>>>> + /*
>>>>> * Fill in the class table.
>>>>> */
>>>>> n = 0;
>>>>> +
>>>>> + /* Fill soft events information. */
>>>>> + pmc_class_table[n++] = &soft_class_table_descr;
>>>>> #if defined(__amd64__) || defined(__i386__)
>>>>> - pmc_class_table[n++] = &tsc_class_table_descr;
>>>>> + if (cpu_info.pm_cputype != PMC_CPU_GENERIC)
>>>>> + pmc_class_table[n++] = &tsc_class_table_descr;
>>>>>
>>>>> /*
>>>>> * Check if this CPU has fixed function counters.
>>>>> @@ -2867,6 +2929,9 @@ pmc_init(void)
>>>>> pmc_class_table[n] = &p4_class_table_descr;
>>>>> break;
>>>>> #endif
>>>>> + case PMC_CPU_GENERIC:
>>>>> + PMC_MDEP_INIT(generic);
>>>>> + break;
>>>>> #if defined(__XSCALE__)
>>>>> case PMC_CPU_INTEL_XSCALE:
>>>>> PMC_MDEP_INIT(xscale);
>>>>> @@ -3035,18 +3100,19 @@ _pmc_name_of_event(enum pmc_event pe, en
>>>>> evfence = xscale_event_table + PMC_EVENT_TABLE_SIZE(xscale);
>>>>> } else if (pe >= PMC_EV_MIPS24K_FIRST && pe <= PMC_EV_MIPS24K_LAST) {
>>>>> ev = mips24k_event_table;
>>>>> - evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k
>>>>> -);
>>>>> + evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k);
>>>>> } else if (pe >= PMC_EV_OCTEON_FIRST && pe <= PMC_EV_OCTEON_LAST) {
>>>>> ev = octeon_event_table;
>>>>> evfence = octeon_event_table + PMC_EVENT_TABLE_SIZE(octeon);
>>>>> } else if (pe >= PMC_EV_PPC7450_FIRST && pe <= PMC_EV_PPC7450_LAST) {
>>>>> ev = ppc7450_event_table;
>>>>> - evfence = ppc7450_event_table + PMC_EVENT_TABLE_SIZE(ppc7450
>>>>> -);
>>>>> + evfence = ppc7450_event_table + PMC_EVENT_TABLE_SIZE(ppc7450);
>>>>> } else if (pe == PMC_EV_TSC_TSC) {
>>>>> ev = tsc_event_table;
>>>>> evfence = tsc_event_table + PMC_EVENT_TABLE_SIZE(tsc);
>>>>> + } else if (pe >= PMC_EV_SOFT_FIRST && pe <= PMC_EV_SOFT_LAST) {
>>>>> + ev = soft_event_table;
>>>>> + evfence = soft_event_table + soft_event_info.pm_nevent;
>>>>> }
>>>>>
>>>>> for (; ev != evfence; ev++)
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -223,6 +223,8 @@ and
>>>>> CPUs.
>>>>> .It Li PMC_CLASS_TSC
>>>>> The timestamp counter on i386 and amd64 architecture CPUs.
>>>>> +.It Li PMC_CLASS_SOFT
>>>>> +Software events.
>>>>> .El
>>>>> .Ss PMC Capabilities
>>>>> Capabilities of performance monitoring hardware are denoted using
>>>>> @@ -525,6 +527,7 @@ API is
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.atom.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.atom.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.atom.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1176,6 +1176,7 @@ and the underlying hardware events used
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.core.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.core.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.core.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -792,6 +792,7 @@ may not count some transitions.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.core2.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.core2.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.core2.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1107,6 +1107,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.corei7.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.corei7.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.corei7.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1559,6 +1559,7 @@ Counts number of segment register loads.
>>>>> .Xr pmc.corei7uc 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>> .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.corei7uc.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.corei7uc.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.corei7uc.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -863,6 +863,7 @@ refreshed or needs to go into a power do
>>>>> .Xr pmc.corei7 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>> .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.iaf.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.iaf.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.iaf.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -132,6 +132,7 @@ CPU, use the event specifier
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.k7.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.k7.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.k7.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -249,6 +249,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.k8.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.k8.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.k8.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -783,6 +783,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.mips24k.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.mips24k.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.mips24k.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -392,6 +392,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.octeon.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.octeon.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.octeon.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -232,6 +232,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.p4.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.p4.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.p4.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1208,6 +1208,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.k8 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.p5.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.p5.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.p5.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -444,6 +444,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.k8 3 ,
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.p6.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.p6.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.p6.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1010,6 +1010,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc.k8 3 ,
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.sandybridge.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.sandybridge.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.sandybridge.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -907,6 +907,7 @@ Split locks in SQ.
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> .Xr pmc.sandybridgeuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc.ucf 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.sandybridgeuc.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.sandybridgeuc.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.sandybridgeuc.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -208,6 +208,7 @@ Counts the number of core-outgoing entri
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> .Xr pmc.sandybridge 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc.ucf 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>>
>>>>> Added: head/lib/libpmc/pmc.soft.3
>>>>> ==============================================================================
>>>>> --- /dev/null 00:00:00 1970 (empty, because file is newly added)
>>>>> +++ head/lib/libpmc/pmc.soft.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -0,0 +1,104 @@
>>>>> +.\" Copyright (c) 2012 Fabien Thomas. All rights reserved.
>>>>> +.\"
>>>>> +.\" Redistribution and use in source and binary forms, with or without
>>>>> +.\" modification, are permitted provided that the following conditions
>>>>> +.\" are met:
>>>>> +.\" 1. Redistributions of source code must retain the above copyright
>>>>> +.\" notice, this list of conditions and the following disclaimer.
>>>>> +.\" 2. Redistributions in binary form must reproduce the above copyright
>>>>> +.\" notice, this list of conditions and the following disclaimer in the
>>>>> +.\" documentation and/or other materials provided with the distribution.
>>>>> +.\"
>>>>> +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
>>>>> +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>>>>> +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
>>>>> +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
>>>>> +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>>>>> +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>>>>> +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>>>>> +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>>>>> +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
>>>>> +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
>>>>> +.\" SUCH DAMAGE.
>>>>> +.\"
>>>>> +.\" $FreeBSD$
>>>>> +.\"
>>>>> +.Dd March 28, 2012
>>>>> +.Os
>>>>> +.Dt PMC.SOFT 3
>>>>> +.Sh NAME
>>>>> +.Nm pmc.soft
>>>>> +.Nd measurements using software based events
>>>>> +.Sh LIBRARY
>>>>> +.Lb libpmc
>>>>> +.Sh SYNOPSIS
>>>>> +.In pmc.h
>>>>> +.Sh DESCRIPTION
>>>>> +Software events are used to collect various source of software events.
>>>>> +.Ss PMC Features
>>>>> +16 sampling counters using software events based on various sources.
>>>>> +These PMCs support the following capabilities:
>>>>> +.Bl -column "PMC_CAP_INTERRUPT" "Support"
>>>>> +.It Em Capability Ta Em Support
>>>>> +.It PMC_CAP_CASCADE Ta \&No
>>>>> +.It PMC_CAP_EDGE Ta \&No
>>>>> +.It PMC_CAP_INTERRUPT Ta Yes
>>>>> +.It PMC_CAP_INVERT Ta \&No
>>>>> +.It PMC_CAP_READ Ta Yes
>>>>> +.It PMC_CAP_PRECISE Ta \&No
>>>>> +.It PMC_CAP_SYSTEM Ta Yes
>>>>> +.It PMC_CAP_TAGGING Ta \&No
>>>>> +.It PMC_CAP_THRESHOLD Ta \&No
>>>>> +.It PMC_CAP_USER Ta Yes
>>>>> +.It PMC_CAP_WRITE Ta Yes
>>>>> +.El
>>>>> +.Ss Event Qualifiers
>>>>> +There is no supported event qualifier.
>>>>> +.Pp
>>>>> +The event specifiers supported by software are:
>>>>> +.Bl -tag -width indent
>>>>> +.It Li CLOCK.HARD
>>>>> +Hard clock ticks.
>>>>> +.It Li CLOCK.STAT
>>>>> +Stat clock ticks.
>>>>> +.It Li LOCK.FAILED
>>>>> +Lock acquisition failed.
>>>>> +.It Li PAGE_FAULT.ALL
>>>>> +All page fault type.
>>>>> +.It Li PAGE_FAULT.READ
>>>>> +Read page fault.
>>>>> +.It Li PAGE_FAULT.WRITE
>>>>> +Write page fault.
>>>>> +.El
>>>>> +.Sh SEE ALSO
>>>>> +.Xr pmc 3 ,
>>>>> +.Xr pmc.atom 3 ,
>>>>> +.Xr pmc.core 3 ,
>>>>> +.Xr pmc.iaf 3 ,
>>>>> +.Xr pmc.ucf 3 ,
>>>>> +.Xr pmc.k7 3 ,
>>>>> +.Xr pmc.k8 3 ,
>>>>> +.Xr pmc.p4 3 ,
>>>>> +.Xr pmc.p5 3 ,
>>>>> +.Xr pmc.p6 3 ,
>>>>> +.Xr pmc.corei7 3 ,
>>>>> +.Xr pmc.corei7uc 3 ,
>>>>> +.Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.tsc 3 ,
>>>>> +.Xr pmc_cpuinfo 3 ,
>>>>> +.Xr pmclog 3 ,
>>>>> +.Xr hwpmc 4
>>>>> +.Sh HISTORY
>>>>> +The
>>>>> +.Nm pmc
>>>>> +library first appeared in
>>>>> +.Fx 6.0 .
>>>>> +.Sh AUTHORS
>>>>> +The
>>>>> +.Lb libpmc
>>>>> +library was written by
>>>>> +.An "Joseph Koshy"
>>>>> +.Aq jkoshy at FreeBSD.org .
>>>>> +Software PMC was written by
>>>>> +.An "Fabien Thomas"
>>>>> +.Aq fabient at FreeBSD.org .
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.tsc.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.tsc.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.tsc.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -68,6 +68,7 @@ maps to the TSC.
>>>>> .Xr pmc.p4 3 ,
>>>>> .Xr pmc.p5 3 ,
>>>>> .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> .Xr hwpmc 4
>>>>> .Sh HISTORY
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.ucf.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.ucf.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.ucf.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -96,6 +96,7 @@ offset C0H under device number 0 and Fun
>>>>> .Xr pmc.corei7uc 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>> .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.westmere.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.westmere.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.westmere.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1381,6 +1381,7 @@ Counts number of SID integer 64 bit shif
>>>>> .Xr pmc.corei7 3 ,
>>>>> .Xr pmc.corei7uc 3 ,
>>>>> .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.westmereuc.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.westmereuc.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.westmereuc.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1066,6 +1066,7 @@ disabled.
>>>>> .Xr pmc.corei7 3 ,
>>>>> .Xr pmc.corei7uc 3 ,
>>>>> .Xr pmc.westmere 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr pmc.tsc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>>
>>>>> Modified: head/lib/libpmc/pmc.xscale.3
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmc.xscale.3 Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmc.xscale.3 Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -134,6 +134,7 @@ and the underlying hardware events used.
>>>>> .Xr pmc 3 ,
>>>>> .Xr pmc_cpuinfo 3 ,
>>>>> .Xr pmclog 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>> .Xr hwpmc 4
>>>>> .Sh HISTORY
>>>>> The
>>>>>
>>>>> Modified: head/lib/libpmc/pmclog.c
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmclog.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmclog.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -369,6 +369,12 @@ pmclog_get_event(void *cookie, char **da
>>>>> == NULL)
>>>>> goto error;
>>>>> break;
>>>>> + case PMCLOG_TYPE_PMCALLOCATEDYN:
>>>>> + PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_pmcid);
>>>>> + PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_event);
>>>>> + PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_flags);
>>>>> + PMCLOG_READSTRING(le,ev->pl_u.pl_ad.pl_evname,PMC_NAME_MAX);
>>>>> + break;
>>>>> case PMCLOG_TYPE_PMCATTACH:
>>>>> PMCLOG_GET_PATHLEN(pathlen,evlen,pmclog_pmcattach);
>>>>> PMCLOG_READ32(le,ev->pl_u.pl_t.pl_pmcid);
>>>>>
>>>>> Modified: head/lib/libpmc/pmclog.h
>>>>> ==============================================================================
>>>>> --- head/lib/libpmc/pmclog.h Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/lib/libpmc/pmclog.h Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -88,6 +88,13 @@ struct pmclog_ev_pmcallocate {
>>>>> pmc_id_t pl_pmcid;
>>>>> };
>>>>>
>>>>> +struct pmclog_ev_pmcallocatedyn {
>>>>> + uint32_t pl_event;
>>>>> + char pl_evname[PMC_NAME_MAX];
>>>>> + uint32_t pl_flags;
>>>>> + pmc_id_t pl_pmcid;
>>>>> +};
>>>>> +
>>>>> struct pmclog_ev_pmcattach {
>>>>> pmc_id_t pl_pmcid;
>>>>> pid_t pl_pid;
>>>>> @@ -146,6 +153,7 @@ struct pmclog_ev {
>>>>> struct pmclog_ev_map_out pl_mo;
>>>>> struct pmclog_ev_pcsample pl_s;
>>>>> struct pmclog_ev_pmcallocate pl_a;
>>>>> + struct pmclog_ev_pmcallocatedyn pl_ad;
>>>>> struct pmclog_ev_pmcattach pl_t;
>>>>> struct pmclog_ev_pmcdetach pl_d;
>>>>> struct pmclog_ev_proccsw pl_c;
>>>>>
>>>>> Modified: head/sys/amd64/amd64/trap.c
>>>>> ==============================================================================
>>>>> --- head/sys/amd64/amd64/trap.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/amd64/amd64/trap.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -71,6 +71,9 @@ __FBSDID("$FreeBSD$");
>>>>> #include <sys/vmmeter.h>
>>>>> #ifdef HWPMC_HOOKS
>>>>> #include <sys/pmckern.h>
>>>>> +PMC_SOFT_DEFINE( , , page_fault, all);
>>>>> +PMC_SOFT_DEFINE( , , page_fault, read);
>>>>> +PMC_SOFT_DEFINE( , , page_fault, write);
>>>>> #endif
>>>>>
>>>>> #include <vm/vm.h>
>>>>> @@ -743,8 +746,20 @@ trap_pfault(frame, usermode)
>>>>> */
>>>>> rv = vm_fault(map, va, ftype, VM_FAULT_NORMAL);
>>>>> }
>>>>> - if (rv == KERN_SUCCESS)
>>>>> + if (rv == KERN_SUCCESS) {
>>>>> +#ifdef HWPMC_HOOKS
>>>>> + if (ftype == VM_PROT_READ || ftype == VM_PROT_WRITE) {
>>>>> + PMC_SOFT_CALL_TF( , , page_fault, all, frame);
>>>>> + if (ftype == VM_PROT_READ)
>>>>> + PMC_SOFT_CALL_TF( , , page_fault, read,
>>>>> + frame);
>>>>> + else
>>>>> + PMC_SOFT_CALL_TF( , , page_fault, write,
>>>>> + frame);
>>>>> + }
>>>>> +#endif
>>>>> return (0);
>>>>> + }
>>>>> nogo:
>>>>> if (!usermode) {
>>>>> if (td->td_intr_nesting_level == 0 &&
>>>>>
>>>>> Modified: head/sys/amd64/include/pmc_mdep.h
>>>>> ==============================================================================
>>>>> --- head/sys/amd64/include/pmc_mdep.h Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/amd64/include/pmc_mdep.h Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -50,13 +50,13 @@ struct pmc_mdep;
>>>>> * measurement architecture have PMCs of the following classes: TSC,
>>>>> * IAF, IAP, UCF and UCP.
>>>>> */
>>>>> -#define PMC_MDEP_CLASS_INDEX_TSC 0
>>>>> -#define PMC_MDEP_CLASS_INDEX_K8 1
>>>>> -#define PMC_MDEP_CLASS_INDEX_P4 1
>>>>> -#define PMC_MDEP_CLASS_INDEX_IAP 1
>>>>> -#define PMC_MDEP_CLASS_INDEX_IAF 2
>>>>> -#define PMC_MDEP_CLASS_INDEX_UCP 3
>>>>> -#define PMC_MDEP_CLASS_INDEX_UCF 4
>>>>> +#define PMC_MDEP_CLASS_INDEX_TSC 1
>>>>> +#define PMC_MDEP_CLASS_INDEX_K8 2
>>>>> +#define PMC_MDEP_CLASS_INDEX_P4 2
>>>>> +#define PMC_MDEP_CLASS_INDEX_IAP 2
>>>>> +#define PMC_MDEP_CLASS_INDEX_IAF 3
>>>>> +#define PMC_MDEP_CLASS_INDEX_UCP 4
>>>>> +#define PMC_MDEP_CLASS_INDEX_UCF 5
>>>>>
>>>>> /*
>>>>> * On the amd64 platform we support the following PMCs.
>>>>> @@ -119,6 +119,15 @@ union pmc_md_pmc {
>>>>>
>>>>> #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
>>>>>
>>>>> +/* Build a fake kernel trapframe from current instruction pointer. */
>>>>> +#define PMC_FAKE_TRAPFRAME(TF) \
>>>>> + do { \
>>>>> + (TF)->tf_cs = 0; (TF)->tf_rflags = 0; \
>>>>> + __asm __volatile("movq %%rbp,%0" : "=r" ((TF)->tf_rbp)); \
>>>>> + __asm __volatile("movq %%rsp,%0" : "=r" ((TF)->tf_rsp)); \
>>>>> + __asm __volatile("call 1f \n\t1: pop %0" : "=r"((TF)->tf_rip)); \
>>>>> + } while (0)
>>>>> +
>>>>> /*
>>>>> * Prototypes
>>>>> */
>>>>>
>>>>> Modified: head/sys/arm/include/pmc_mdep.h
>>>>> ==============================================================================
>>>>> --- head/sys/arm/include/pmc_mdep.h Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/arm/include/pmc_mdep.h Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -29,7 +29,7 @@
>>>>> #ifndef _MACHINE_PMC_MDEP_H_
>>>>> #define _MACHINE_PMC_MDEP_H_
>>>>>
>>>>> -#define PMC_MDEP_CLASS_INDEX_XSCALE 0
>>>>> +#define PMC_MDEP_CLASS_INDEX_XSCALE 1
>>>>> /*
>>>>> * On the ARM platform we support the following PMCs.
>>>>> *
>>>>>
>>>>> Modified: head/sys/conf/files
>>>>> ==============================================================================
>>>>> --- head/sys/conf/files Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/conf/files Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -1260,6 +1260,7 @@ dev/hme/if_hme_sbus.c optional hme sbus
>>>>> dev/hptiop/hptiop.c optional hptiop scbus
>>>>> dev/hwpmc/hwpmc_logging.c optional hwpmc
>>>>> dev/hwpmc/hwpmc_mod.c optional hwpmc
>>>>> +dev/hwpmc/hwpmc_soft.c optional hwpmc
>>>>> dev/ichsmb/ichsmb.c optional ichsmb
>>>>> dev/ichsmb/ichsmb_pci.c optional ichsmb pci
>>>>> dev/ida/ida.c optional ida
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_amd.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_amd.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_amd.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -687,7 +687,8 @@ amd_intr(int cpu, struct trapframe *tf)
>>>>> wrmsr(perfctr, AMD_RELOAD_COUNT_TO_PERFCTR_VALUE(v));
>>>>>
>>>>> /* Restart the counter if logging succeeded. */
>>>>> - error = pmc_process_interrupt(cpu, pm, tf, TRAPF_USERMODE(tf));
>>>>> + error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,
>>>>> + TRAPF_USERMODE(tf));
>>>>> if (error == 0)
>>>>> wrmsr(evsel, config | AMD_PMC_ENABLE);
>>>>> }
>>>>> @@ -874,7 +875,7 @@ amd_pcpu_fini(struct pmc_mdep *md, int c
>>>>> struct pmc_mdep *
>>>>> pmc_amd_initialize(void)
>>>>> {
>>>>> - int classindex, error, i, nclasses, ncpus;
>>>>> + int classindex, error, i, ncpus;
>>>>> struct pmc_classdep *pcd;
>>>>> enum pmc_cputype cputype;
>>>>> struct pmc_mdep *pmc_mdep;
>>>>> @@ -926,12 +927,9 @@ pmc_amd_initialize(void)
>>>>> * These processors have two classes of PMCs: the TSC and
>>>>> * programmable PMCs.
>>>>> */
>>>>> - nclasses = 2;
>>>>> - pmc_mdep = malloc(sizeof(struct pmc_mdep) + nclasses * sizeof (struct pmc_classdep),
>>>>> - M_PMC, M_WAITOK|M_ZERO);
>>>>> + pmc_mdep = pmc_mdep_alloc(2);
>>>>>
>>>>> pmc_mdep->pmd_cputype = cputype;
>>>>> - pmc_mdep->pmd_nclass = nclasses;
>>>>>
>>>>> ncpus = pmc_cpu_max();
>>>>>
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_core.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_core.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_core.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -2239,7 +2239,7 @@ core_intr(int cpu, struct trapframe *tf)
>>>>> if (pm->pm_state != PMC_STATE_RUNNING)
>>>>> continue;
>>>>>
>>>>> - error = pmc_process_interrupt(cpu, pm, tf,
>>>>> + error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,
>>>>> TRAPF_USERMODE(tf));
>>>>>
>>>>> v = pm->pm_sc.pm_reloadcount;
>>>>> @@ -2326,7 +2326,7 @@ core2_intr(int cpu, struct trapframe *tf
>>>>> !PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
>>>>> continue;
>>>>>
>>>>> - error = pmc_process_interrupt(cpu, pm, tf,
>>>>> + error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,
>>>>> TRAPF_USERMODE(tf));
>>>>> if (error)
>>>>> intrenable &= ~flag;
>>>>> @@ -2354,7 +2354,7 @@ core2_intr(int cpu, struct trapframe *tf
>>>>> !PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
>>>>> continue;
>>>>>
>>>>> - error = pmc_process_interrupt(cpu, pm, tf,
>>>>> + error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,
>>>>> TRAPF_USERMODE(tf));
>>>>> if (error)
>>>>> intrenable &= ~flag;
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_intel.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_intel.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_intel.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -162,12 +162,10 @@ pmc_intel_initialize(void)
>>>>> return (NULL);
>>>>> }
>>>>>
>>>>> - pmc_mdep = malloc(sizeof(struct pmc_mdep) + nclasses *
>>>>> - sizeof(struct pmc_classdep), M_PMC, M_WAITOK|M_ZERO);
>>>>> + /* Allocate base class and initialize machine dependent struct */
>>>>> + pmc_mdep = pmc_mdep_alloc(nclasses);
>>>>>
>>>>> pmc_mdep->pmd_cputype = cputype;
>>>>> - pmc_mdep->pmd_nclass = nclasses;
>>>>> -
>>>>> pmc_mdep->pmd_switch_in = intel_switch_in;
>>>>> pmc_mdep->pmd_switch_out = intel_switch_out;
>>>>>
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_logging.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_logging.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_logging.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -129,6 +129,7 @@ static struct mtx pmc_kthread_mtx; /* sl
>>>>>
>>>>> /* Emit a string. Caution: does NOT update _le, so needs to be last */
>>>>> #define PMCLOG_EMITSTRING(S,L) do { bcopy((S), _le, (L)); } while (0)
>>>>> +#define PMCLOG_EMITNULLSTRING(L) do { bzero(_le, (L)); } while (0)
>>>>>
>>>>> #define PMCLOG_DESPATCH(PO) \
>>>>> pmclog_release((PO)); \
>>>>> @@ -835,16 +836,33 @@ void
>>>>> pmclog_process_pmcallocate(struct pmc *pm)
>>>>> {
>>>>> struct pmc_owner *po;
>>>>> + struct pmc_soft *ps;
>>>>>
>>>>> po = pm->pm_owner;
>>>>>
>>>>> PMCDBG(LOG,ALL,1, "pm=%p", pm);
>>>>>
>>>>> - PMCLOG_RESERVE(po, PMCALLOCATE, sizeof(struct pmclog_pmcallocate));
>>>>> - PMCLOG_EMIT32(pm->pm_id);
>>>>> - PMCLOG_EMIT32(pm->pm_event);
>>>>> - PMCLOG_EMIT32(pm->pm_flags);
>>>>> - PMCLOG_DESPATCH(po);
>>>>> + if (PMC_TO_CLASS(pm) == PMC_CLASS_SOFT) {
>>>>> + PMCLOG_RESERVE(po, PMCALLOCATEDYN,
>>>>> + sizeof(struct pmclog_pmcallocatedyn));
>>>>> + PMCLOG_EMIT32(pm->pm_id);
>>>>> + PMCLOG_EMIT32(pm->pm_event);
>>>>> + PMCLOG_EMIT32(pm->pm_flags);
>>>>> + ps = pmc_soft_ev_acquire(pm->pm_event);
>>>>> + if (ps != NULL)
>>>>> + PMCLOG_EMITSTRING(ps->ps_ev.pm_ev_name,PMC_NAME_MAX);
>>>>> + else
>>>>> + PMCLOG_EMITNULLSTRING(PMC_NAME_MAX);
>>>>> + pmc_soft_ev_release(ps);
>>>>> + PMCLOG_DESPATCH(po);
>>>>> + } else {
>>>>> + PMCLOG_RESERVE(po, PMCALLOCATE,
>>>>> + sizeof(struct pmclog_pmcallocate));
>>>>> + PMCLOG_EMIT32(pm->pm_id);
>>>>> + PMCLOG_EMIT32(pm->pm_event);
>>>>> + PMCLOG_EMIT32(pm->pm_flags);
>>>>> + PMCLOG_DESPATCH(po);
>>>>> + }
>>>>> }
>>>>>
>>>>> void
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_mips.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_mips.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_mips.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -287,7 +287,7 @@ mips_pmc_intr(int cpu, struct trapframe
>>>>> retval = 1;
>>>>> if (pm->pm_state != PMC_STATE_RUNNING)
>>>>> continue;
>>>>> - error = pmc_process_interrupt(cpu, pm, tf,
>>>>> + error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,
>>>>> TRAPF_USERMODE(tf));
>>>>> if (error) {
>>>>> /* Clear/disable the relevant counter */
>>>>>
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_mod.c
>>>>> ==============================================================================
>>>>> --- head/sys/dev/hwpmc/hwpmc_mod.c Wed Mar 28 20:49:11 2012 (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_mod.c Wed Mar 28 20:58:30 2012 (r233628)
>>>>> @@ -70,6 +70,8 @@ __FBSDID("$FreeBSD$");
>>>>> #include <vm/vm_map.h>
>>>>> #include <vm/vm_object.h>
>>>>>
>>>>> +#include "hwpmc_soft.h"
>>>>> +
>>>>> /*
>>>>> * Types
>>>>> */
>>>>> @@ -182,7 +184,7 @@ static int pmc_attach_one_process(struct
>>>>> static int pmc_can_allocate_rowindex(struct proc *p, unsigned int ri,
>>>>> int cpu);
>>>>> static int pmc_can_attach(struct pmc *pm, struct proc *p);
>>>>> -static void pmc_capture_user_callchain(int cpu, struct trapframe *tf);
>>>>> +static void pmc_capture_user_callchain(int cpu, int soft, struct trapframe *tf);
>>>>> static void pmc_cleanup(void);
>>>>> static int pmc_detach_process(struct proc *p, struct pmc *pm);
>>>>> static int pmc_detach_one_process(struct proc *p, struct pmc *pm,
>>>>> @@ -206,7 +208,7 @@ static void pmc_process_csw_out(struct t
>>>>> static void pmc_process_exit(void *arg, struct proc *p);
>>>>> static void pmc_process_fork(void *arg, struct proc *p1,
>>>>> struct proc *p2, int n);
>>>>> -static void pmc_process_samples(int cpu);
>>>>> +static void pmc_process_samples(int cpu, int soft);
>>>>> static void pmc_release_pmc_descriptor(struct pmc *pmc);
>>>>> static void pmc_remove_owner(struct pmc_owner *po);
>>>>> static void pmc_remove_process_descriptor(struct pmc_process *pp);
>>>>> @@ -218,12 +220,16 @@ static int pmc_stop(struct pmc *pm);
>>>>> static int pmc_syscall_handler(struct thread *td, void *syscall_args);
>>>>> static void pmc_unlink_target_process(struct pmc *pmc,
>>>>> struct pmc_process *pp);
>>>>> +static int generic_switch_in(struct pmc_cpu *pc, struct pmc_process *pp);
>>>>> +static int generic_switch_out(struct pmc_cpu *pc, struct pmc_process *pp);
>>>>> +static struct pmc_mdep *pmc_generic_cpu_initialize(void);
>>>>> +static void pmc_generic_cpu_finalize(struct pmc_mdep *md);
>>>>>
>>>>> /*
>>>>> * Kernel tunables and sysctl(8) interface.
>>>>> */
>>>>>
>>>>> -SYSCTL_NODE(_kern, OID_AUTO, hwpmc, CTLFLAG_RW, 0, "HWPMC parameters");
>>>>> +SYSCTL_DECL(_kern_hwpmc);
>>>>>
>>>>> static int pmc_callchaindepth = PMC_CALLCHAIN_DEPTH;
>>>>> TUNABLE_INT(PMC_SYSCTL_NAME_PREFIX "callchaindepth", &pmc_callchaindepth);
>>>>> @@ -1833,7 +1839,9 @@ const char *pmc_hooknames[] = {
>>>>> "KLDUNLOAD",
>>>>> "MMAP",
>>>>> "MUNMAP",
>>>>> - "CALLCHAIN"
>>>>> + "CALLCHAIN-NMI",
>>>>> + "CALLCHAIN-SOFT",
>>>>> + "SOFTSAMPLING"
>>>>> };
>>>>> #endif
>>>>>
>>>>> @@ -1992,7 +2000,8 @@ pmc_hook_handler(struct thread *td, int
>>>>> * lose the interrupt sample.
>>>>> */
>>>>> CPU_CLR_ATOMIC(PCPU_GET(cpuid), &pmc_cpumask);
>>>>> - pmc_process_samples(PCPU_GET(cpuid));
>>>>> + pmc_process_samples(PCPU_GET(cpuid), PMC_HR);
>>>>> + pmc_process_samples(PCPU_GET(cpuid), PMC_SR);
>>>>> break;
>>>>>
>>>>>
>>>>> @@ -2022,11 +2031,30 @@ pmc_hook_handler(struct thread *td, int
>>>>> */
>>>>> KASSERT(td == curthread, ("[pmc,%d] td != curthread",
>>>>> __LINE__));
>>>>> - pmc_capture_user_callchain(PCPU_GET(cpuid),
>>>>> +
>>>>> + pmc_capture_user_callchain(PCPU_GET(cpuid), PMC_HR,
>>>>> (struct trapframe *) arg);
>>>>> td->td_pflags &= ~TDP_CALLCHAIN;
>>>>> break;
>>>>>
>>>>> + case PMC_FN_USER_CALLCHAIN_SOFT:
>>>>> + /*
>>>>> + * Record a call chain.
>>>>> + */
>>>>> + KASSERT(td == curthread, ("[pmc,%d] td != curthread",
>>>>> + __LINE__));
>>>>> + pmc_capture_user_callchain(PCPU_GET(cpuid), PMC_SR,
>>>>> + (struct trapframe *) arg);
>>>>> + td->td_pflags &= ~TDP_CALLCHAIN;
>>>>> + break;
>>>>> +
>>>>> + case PMC_FN_SOFT_SAMPLING:
>>>>> + /*
>>>>> + * Call soft PMC sampling intr.
>>>>> + */
>>>>> + pmc_soft_intr((struct pmckern_soft *) arg);
>>>>> + break;
>>>>> +
>>>>> default:
>>>>> #ifdef DEBUG
>>>>> KASSERT(0, ("[pmc,%d] unknown hook %d\n", __LINE__, function));
>>>>> @@ -2221,18 +2249,17 @@ pmc_destroy_pmc_descriptor(struct pmc *p
>>>>> static void
>>>>> pmc_wait_for_pmc_idle(struct pmc *pm)
>>>>> {
>>>>> -#ifdef DEBUG
>>>>> +#ifdef DEBUG
>>>>> volatile int maxloop;
>>>>>
>>>>> maxloop = 100 * pmc_cpu_max();
>>>>> #endif
>>>>> -
>>>>> /*
>>>>> * Loop (with a forced context switch) till the PMC's runcount
>>>>> * comes down to zero.
>>>>> */
>>>>> while (atomic_load_acq_32(&pm->pm_runcount) > 0) {
>>>>> -#ifdef DEBUG
>>>>> +#ifdef DEBUG
>>>>> maxloop--;
>>>>> KASSERT(maxloop > 0,
>>>>> ("[pmc,%d] (ri%d, rc%d) waiting too long for "
>>>>> @@ -2972,6 +2999,53 @@ pmc_syscall_handler(struct thread *td, v
>>>>> }
>>>>> break;
>>>>>
>>>>> + /*
>>>>> + * Retrieve soft events list.
>>>>> + */
>>>>> + case PMC_OP_GETDYNEVENTINFO:
>>>>> + {
>>>>> + enum pmc_class cl;
>>>>> + enum pmc_event ev;
>>>>> + struct pmc_op_getdyneventinfo *gei;
>>>>> + struct pmc_dyn_event_descr dev;
>>>>> + struct pmc_soft *ps;
>>>>> + uint32_t nevent;
>>>>> +
>>>>> + sx_assert(&pmc_sx, SX_LOCKED);
>>>>> +
>>>>> + gei = (struct pmc_op_getdyneventinfo *) arg;
>>>>> +
>>>>> + if ((error = copyin(&gei->pm_class, &cl, sizeof(cl))) != 0)
>>>>> + break;
>>>>> +
>>>>> + /* Only SOFT class is dynamic. */
>>>>> + if (cl != PMC_CLASS_SOFT) {
>>>>> + error = EINVAL;
>>>>> + break;
>>>>> + }
>>>>> +
>>>>> + nevent = 0;
>>>>> + for (ev = PMC_EV_SOFT_FIRST; ev <= PMC_EV_SOFT_LAST; ev++) {
>>>>> + ps = pmc_soft_ev_acquire(ev);
>>>>> + if (ps == NULL)
>>>>> + continue;
>>>>> + bcopy(&ps->ps_ev, &dev, sizeof(dev));
>>>>> + pmc_soft_ev_release(ps);
>>>>> +
>>>>> + error = copyout(&dev,
>>>>> + &gei->pm_events[nevent],
>>>>> + sizeof(struct pmc_dyn_event_descr));
>>>>> + if (error != 0)
>>>>> + break;
>>>>> + nevent++;
>>>>> + }
>>>>> + if (error != 0)
>>>>> + break;
>>>>> +
>>>>> + error = copyout(&nevent, &gei->pm_nevent,
>>>>>
>>>>> *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
>>>
>>>
>>>
>>> --
>>> Monthadar Al Jaberi
>>> <RSPRO_USB_PROD>
>>
>>
>
>
>
> --
> Monthadar Al Jaberi
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