diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 17:01:07 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 17:01:07 -0400 |
commit | 8a1ca8cedd108c8e76a6ab34079d0bbb4f244799 (patch) | |
tree | 636c715524f1718599209cc289908ea44b6cb859 /arch/x86/mm | |
parent | b640f042faa2a2fad6464f259a8afec06e2f6386 (diff) | |
parent | 940010c5a314a7bd9b498593bc6ba1718ac5aec5 (diff) |
Merge branch 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (574 commits)
perf_counter: Turn off by default
perf_counter: Add counter->id to the throttle event
perf_counter: Better align code
perf_counter: Rename L2 to LL cache
perf_counter: Standardize event names
perf_counter: Rename enums
perf_counter tools: Clean up u64 usage
perf_counter: Rename perf_counter_limit sysctl
perf_counter: More paranoia settings
perf_counter: powerpc: Implement generalized cache events for POWER processors
perf_counters: powerpc: Add support for POWER7 processors
perf_counter: Accurate period data
perf_counter: Introduce struct for sample data
perf_counter tools: Normalize data using per sample period data
perf_counter: Annotate exit ctx recursion
perf_counter tools: Propagate signals properly
perf_counter tools: Small frequency related fixes
perf_counter: More aggressive frequency adjustment
perf_counter/x86: Fix the model number of Intel Core2 processors
perf_counter, x86: Correct some event and umask values for Intel processors
...
Diffstat (limited to 'arch/x86/mm')
-rw-r--r-- | arch/x86/mm/fault.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 5ec7ae366615..c6acc6326374 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c | |||
@@ -10,6 +10,7 @@ | |||
10 | #include <linux/bootmem.h> /* max_low_pfn */ | 10 | #include <linux/bootmem.h> /* max_low_pfn */ |
11 | #include <linux/kprobes.h> /* __kprobes, ... */ | 11 | #include <linux/kprobes.h> /* __kprobes, ... */ |
12 | #include <linux/mmiotrace.h> /* kmmio_handler, ... */ | 12 | #include <linux/mmiotrace.h> /* kmmio_handler, ... */ |
13 | #include <linux/perf_counter.h> /* perf_swcounter_event */ | ||
13 | 14 | ||
14 | #include <asm/traps.h> /* dotraplinkage, ... */ | 15 | #include <asm/traps.h> /* dotraplinkage, ... */ |
15 | #include <asm/pgalloc.h> /* pgd_*(), ... */ | 16 | #include <asm/pgalloc.h> /* pgd_*(), ... */ |
@@ -1013,6 +1014,8 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
1013 | if (unlikely(error_code & PF_RSVD)) | 1014 | if (unlikely(error_code & PF_RSVD)) |
1014 | pgtable_bad(regs, error_code, address); | 1015 | pgtable_bad(regs, error_code, address); |
1015 | 1016 | ||
1017 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); | ||
1018 | |||
1016 | /* | 1019 | /* |
1017 | * If we're in an interrupt, have no user context or are running | 1020 | * If we're in an interrupt, have no user context or are running |
1018 | * in an atomic region then we must not take the fault: | 1021 | * in an atomic region then we must not take the fault: |
@@ -1106,10 +1109,15 @@ good_area: | |||
1106 | return; | 1109 | return; |
1107 | } | 1110 | } |
1108 | 1111 | ||
1109 | if (fault & VM_FAULT_MAJOR) | 1112 | if (fault & VM_FAULT_MAJOR) { |
1110 | tsk->maj_flt++; | 1113 | tsk->maj_flt++; |
1111 | else | 1114 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, |
1115 | regs, address); | ||
1116 | } else { | ||
1112 | tsk->min_flt++; | 1117 | tsk->min_flt++; |
1118 | perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, | ||
1119 | regs, address); | ||
1120 | } | ||
1113 | 1121 | ||
1114 | check_v8086_mode(regs, address, tsk); | 1122 | check_v8086_mode(regs, address, tsk); |
1115 | 1123 | ||