diff options
Diffstat (limited to 'arch/powerpc/kernel/perf_event.c')
| -rw-r--r-- | arch/powerpc/kernel/perf_event.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index bbcbae183e9..1eb85fbf53a 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -116,20 +116,23 @@ static inline void perf_get_data_addr(struct pt_regs *regs, u64 *addrp) static inline u32 perf_get_misc_flags(struct pt_regs *regs) { unsigned long mmcra = regs->dsisr; + unsigned long sihv = MMCRA_SIHV; + unsigned long sipr = MMCRA_SIPR; if (TRAP(regs) != 0xf00) return 0; /* not a PMU interrupt */ if (ppmu->flags & PPMU_ALT_SIPR) { - if (mmcra & POWER6_MMCRA_SIHV) - return PERF_RECORD_MISC_HYPERVISOR; - return (mmcra & POWER6_MMCRA_SIPR) ? - PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL; + sihv = POWER6_MMCRA_SIHV; + sipr = POWER6_MMCRA_SIPR; } - if (mmcra & MMCRA_SIHV) + + /* PR has priority over HV, so order below is important */ + if (mmcra & sipr) + return PERF_RECORD_MISC_USER; + if ((mmcra & sihv) && (freeze_events_kernel != MMCR0_FCHV)) return PERF_RECORD_MISC_HYPERVISOR; - return (mmcra & MMCRA_SIPR) ? PERF_RECORD_MISC_USER : - PERF_RECORD_MISC_KERNEL; + return PERF_RECORD_MISC_KERNEL; } /* @@ -1162,7 +1165,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, */ if (record) { struct perf_sample_data data = { - .addr = 0, + .addr = ~0ULL, .period = event->hw.last_period, }; |