D60565.id.diff
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D60565.id.diff
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	diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
	--- a/sys/kern/kern_fork.c
	+++ b/sys/kern/kern_fork.c
	@@ -34,6 +34,7 @@
	* SUCH DAMAGE.
	*/

	+#include "opt_hwpmc_hooks.h"
	#include "opt_ktrace.h"
	#include "opt_kstack_pages.h"

	@@ -57,6 +58,9 @@
	#include <sys/msan.h>
	#include <sys/mutex.h>
	#include <sys/priv.h>
	+#ifdef HWPMC_HOOKS
	+#include <sys/pmckern.h>
	+#endif
	#include <sys/proc.h>
	#include <sys/procdesc.h>
	#include <sys/ptrace.h>
	@@ -1220,6 +1224,12 @@

	sched_fork_exit(td);

	+#ifdef HWPMC_HOOKS
	+ /* First-run threads bypass the normal scheduler switch-in path. */
	+ if (PMC_PROC_IS_USING_PMCS(p))
	+ PMC_SWITCH_CONTEXT(td, PMC_FN_CSW_IN);
	+#endif
	+
	/*
	* Processes normally resume in mi_switch() after being
	* cpu_switch()'ed to, but when children start up they arrive here