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| author | Mike Galbraith <efault@gmx.de> | 2009-02-04 17:11:34 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-04 17:36:18 +0100 |
| commit | 5b75af0a02fcf3b8899f38ff6f22164c5d8e2fdd (patch) | |
| tree | 9bc34da1216baf94222544d3f47aa42301a73e5d /arch/x86/oprofile | |
| parent | x86: irqinit_32.c fix compilation warning (diff) | |
| download | linux-5b75af0a02fcf3b8899f38ff6f22164c5d8e2fdd.tar.xz linux-5b75af0a02fcf3b8899f38ff6f22164c5d8e2fdd.zip | |
perfcounters: fix "perf counters kill oprofile" bug
With oprofile as a module, and unloaded by profiling script,
both oprofile and kerneltop work fine.. unless you leave kerneltop
running when you start profiling, then you may see badness.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/oprofile')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 202864ad49a7..c638685136e1 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -40,8 +40,9 @@ static int profile_exceptions_notify(struct notifier_block *self, switch (val) { case DIE_NMI: - if (model->check_ctrs(args->regs, &per_cpu(cpu_msrs, cpu))) - ret = NOTIFY_STOP; + case DIE_NMI_IPI: + model->check_ctrs(args->regs, &per_cpu(cpu_msrs, cpu)); + ret = NOTIFY_STOP; break; default: break; @@ -134,7 +135,7 @@ static void nmi_cpu_setup(void *dummy) static struct notifier_block profile_exceptions_nb = { .notifier_call = profile_exceptions_notify, .next = NULL, - .priority = 0 + .priority = 2 }; static int nmi_setup(void) |