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| author |   David S. Miller <davem@davemloft.net> | 2010-09-12 17:20:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-12 17:20:24 -0700 |
| commit | b343ae51c116dffaef07a8596661774c12212b66 (patch) | |
| tree | 34580e2bff1f2b7408eba05de01d5c8db30394bc /arch/sparc | |
| parent | sparc: Kill all BKL usage. (diff) | |
| download | linux-dev-b343ae51c116dffaef07a8596661774c12212b66.tar.xz linux-dev-b343ae51c116dffaef07a8596661774c12212b66.zip | |
sparc64: Support RAW perf events.
Encoding is "(encoding << 16) | pic_mask"
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/perf_event.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 357ced3c33ff..6318e622cfb0 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1038,6 +1038,7 @@ static int __hw_perf_event_init(struct perf_event *event) if (atomic_read(&nmi_active) < 0) return -ENODEV; + pmap = NULL; if (attr->type == PERF_TYPE_HARDWARE) { if (attr->config >= sparc_pmu->max_events) return -EINVAL; @@ -1046,9 +1047,18 @@ static int __hw_perf_event_init(struct perf_event *event) pmap = sparc_map_cache_event(attr->config); if (IS_ERR(pmap)) return PTR_ERR(pmap); - } else + } else if (attr->type != PERF_TYPE_RAW) return -EOPNOTSUPP; + if (pmap) { + hwc->event_base = perf_event_encode(pmap); + } else { + /* User gives us "(encoding << 16) | pic_mask" for + * PERF_TYPE_RAW events. + */ + hwc->event_base = attr->config; + } + /* We save the enable bits in the config_base. */ hwc->config_base = sparc_pmu->irq_bit; if (!attr->exclude_user) @@ -1058,8 +1068,6 @@ static int __hw_perf_event_init(struct perf_event *event) if (!attr->exclude_hv) hwc->config_base |= sparc_pmu->hv_bit; - hwc->event_base = perf_event_encode(pmap); - n = 0; if (event->group_leader != event) { n = collect_events(event->group_leader, |