svn commit: r358921 - stable/12/sys/dev/hwpmc

[Matt Macy]

Author: mmacy
Date: Thu Mar 12 20:59:00 2020
New Revision: 358921
URL: https://svnweb.freebsd.org/changeset/base/358921

Log:
  Fix sample check in hwpmc
  
  Don't drop samples with callchain pending
  
  Tested by: mjg@
  
  MFC of r353483

Modified:
  stable/12/sys/dev/hwpmc/hwpmc_mod.c

Modified: stable/12/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/12/sys/dev/hwpmc/hwpmc_mod.c	Thu Mar 12 20:51:04 2020	(r358920)
+++ stable/12/sys/dev/hwpmc/hwpmc_mod.c	Thu Mar 12 20:59:00 2020	(r358921)
@@ -4828,7 +4828,7 @@ pmc_capture_user_callchain(int cpu, int ring, struct t
 			nfree++;
 #endif
 		if (ps->ps_td != td ||
-		   ps->ps_nsamples == PMC_USER_CALLCHAIN_PENDING ||
+		   ps->ps_nsamples != PMC_USER_CALLCHAIN_PENDING ||
 		   ps->ps_pmc->pm_state != PMC_STATE_RUNNING)
 			continue;