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Use a local variable to store the number of ticks that elapsed in

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kernel mode instead of (unintentionally) using the global `ticks'.
This error completely broke profiling.
This commit is contained in:
tjr 2003-01-31 11:22:31 +00:00
parent a428b35290
commit e3277471d4
1 changed files with 3 additions and 2 deletions
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5
sys/kern/subr_trap.c
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@ -76,6 +76,7 @@ userret(td, frame, oticks)
#ifdef INVARIANTS
struct kse *ke;
#endif
u_int64_t eticks;
CTR3(KTR_SYSC, "userret: thread %p (pid %d, %s)", td, p->p_pid,
p->p_comm);
@ -109,8 +110,8 @@ userret(td, frame, oticks)
*/
if (p->p_sflag & PS_PROFIL) {
ticks = td->td_sticks - oticks;
addupc_task(td, TRAPF_PC(frame), (u_int)ticks * psratio);
eticks = td->td_sticks - oticks;
addupc_task(td, TRAPF_PC(frame), (u_int)eticks * psratio);
}
/*