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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-29 11:13:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-29 11:13:10 -0700 |
| commit | b77d643ced576bdd1e918aebda869de74696cde9 (patch) | |
| tree | bb5d708f4bbb48461923a28e63a8cf8bdd477dd7 /arch/mips/mm/fault.c | |
| parent | b4020c1b198c0f0c0b0ff0cfdd824a26b93edd6f (diff) | |
| parent | 64575f918f3279d8487cf670dbefa956ce16a526 (diff) | |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (46 commits)
ftrace/MIPS: Enable C Version of recordmcount
ftrace/MIPS: Add module support for C version of recordmcount
ftrace/MIPS: Add MIPS64 support for C version of recordmcount
MIPS: Make TASK_SIZE reflect proper size for both 32 and 64 bit processes.
MIPS: Allow UserLocal on MIPS_R1 processors
MIPS: Honor L2 bypass bit
MIPS: Add BMIPS CP0 register definitions
MIPS: Add BMIPS processor types to Kconfig
MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code
MIPS: Add support for hardware performance events (mipsxx)
MIPS: Perf-events: Add callchain support
MIPS: add support for hardware performance events (skeleton)
MIPS: add support for software performance events
MIPS: define local_xchg from xchg_local to atomic_long_xchg
MIPS: AR7: Add support for Titan (TNETV10xx) SoC variant
MIPS: AR7: Initialize GPIO earlier
MIPS: Add platform device and Kconfig for Octeon USB EHCI / OHCI
USB: Add EHCI and OHCH glue for OCTEON II SOCs.
MIPS: Octeon: Add register definitions for EHCI / OHCI USB glue logic.
MIPS: Octeon: Apply CN63XXP1 errata workarounds.
...
Diffstat (limited to 'arch/mips/mm/fault.c')
| -rw-r--r-- | arch/mips/mm/fault.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 783ad0065fd..137ee76a004 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -18,6 +18,7 @@ #include <linux/smp.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/perf_event.h> #include <asm/branch.h> #include <asm/mmu_context.h> @@ -144,6 +145,7 @@ good_area: * the fault. */ fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -151,10 +153,15 @@ good_area: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) + if (fault & VM_FAULT_MAJOR) { + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, + 1, 0, regs, address); tsk->maj_flt++; - else + } else { + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, + 1, 0, regs, address); tsk->min_flt++; + } up_read(&mm->mmap_sem); return; |