git: 6f8e117e5d78 - main - mps: Add a probe on completion

From: Warner Losh <imp_at_FreeBSD.org>
Date: Fri, 09 Jan 2026 06:14:36 UTC
The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=6f8e117e5d78709ff70c19e5286949b35099fa9a

commit 6f8e117e5d78709ff70c19e5286949b35099fa9a
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2026-01-06 05:13:38 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2026-01-09 05:55:32 +0000

    mps: Add a probe on completion
    
    cam::mps:complete(union ccb *, struct mps_command *, u_int, u32);
        Where u_int is scsas->flags u32 is the device_info.
    
    This can't be done as an fbt because the data needed for it isn't
    present out a function boundary.
    
    Sponsored by:           Netflix
---
 sys/dev/mps/mps_sas.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/dev/mps/mps_sas.c b/sys/dev/mps/mps_sas.c
index 8631cc6cf9f3..fb591391f6a5 100644
--- a/sys/dev/mps/mps_sas.c
+++ b/sys/dev/mps/mps_sas.c
@@ -80,6 +80,12 @@
 #include <dev/mps/mps_table.h>
 #include <dev/mps/mps_sas.h>
 
+#include <sys/sdt.h>
+
+/* SDT Probes */
+SDT_PROBE_DEFINE4(cam, , mps, complete, "union ccb *",
+    "struct mps_command *", "u_int", "u32");
+
 /*
  * static array to check SCSI OpCode for EEDP protection bits
  */
@@ -2076,6 +2082,9 @@ mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
 		sc->SSU_refcount--;
 	}
 
+	SDT_PROBE4(cam, , mps, complete, ccb, cm, sassc->flags,
+	    sc->mapping_table[target_id].device_info);
+
 	/* Take the fast path to completion */
 	if (cm->cm_reply == NULL) {
 		if (mpssas_get_ccbstatus(ccb) == CAM_REQ_INPROG) {