diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-13 10:39:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-13 10:39:30 -0700 |
| commit | 4b17cafaa4cc000a490821db649c5a3bf7ba9671 (patch) | |
| tree | 9e6a1ed383be31f7a28ebfee726acf2cc15c377f /arch/x86 | |
| parent | 36450e9c953b2a6838def5945de8ae508141e834 (diff) | |
| parent | 88d89da64951377962334b684634cfc1468aa93f (diff) | |
| download | linux-4b17cafaa4cc000a490821db649c5a3bf7ba9671.tar.gz | |
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits) perf: Add back list_head data types perf ui hist browser: Fixup key bindings perf ui browser: Add ui_browser__show counterpart: __hide perf annotate: Cycle thru sorted lines with samples perf ui: Make SPACE work as PGDN in all browsers perf annotate: Sort by hottest lines in the TUI perf ui: Complete the breakdown of util/newt.c perf ui: Move hists browser to util/ui/browsers/ perf symbols: Ignore mapping symbols on ARM perf ui: Move map browser to util/ui/browsers/ perf ui: Move annotate browser to util/ui/browsers/ perf ui: Move ui_progress routines to separate file in util/ui/ perf ui: Move ui_helpline routines to separate file in util/ui/ perf ui: Shorten ui_browser member names perf, x86: P4 PMU -- update nmi irq statistics and unmask lvt entry properly perf ui: Start breaking down newt.c into multiple files perf tui: Introduce list_head based generic ui_browser refresh routine perf probe: Fix memory leaks in add_perf_probe_events perf probe: Fix to copy the type for raw parameters perf report: Speed up exit path ...
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_p4.c | 9 | ||||
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index 107711bf0ee8..febb12cea795 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -656,6 +656,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) cpuc = &__get_cpu_var(cpu_hw_events); for (idx = 0; idx < x86_pmu.num_counters; idx++) { + int overflow; if (!test_bit(idx, cpuc->active_mask)) continue; @@ -666,12 +667,14 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) WARN_ON_ONCE(hwc->idx != idx); /* it might be unflagged overflow */ - handled = p4_pmu_clear_cccr_ovf(hwc); + overflow = p4_pmu_clear_cccr_ovf(hwc); val = x86_perf_event_update(event); - if (!handled && (val & (1ULL << (x86_pmu.cntval_bits - 1)))) + if (!overflow && (val & (1ULL << (x86_pmu.cntval_bits - 1)))) continue; + handled += overflow; + /* event overflow for sure */ data.period = event->hw.last_period; @@ -687,7 +690,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) inc_irq_stat(apic_perf_irqs); } - return handled; + return handled > 0; } /* diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 1ba67dc8006a..f6b48f6c5951 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -668,6 +668,7 @@ static int __init ppro_init(char **cpu_type) *cpu_type = "i386/core_2"; break; case 0x1a: + case 0x1e: case 0x2e: spec = &op_arch_perfmon_spec; *cpu_type = "i386/core_i7"; |