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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:22:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:22:43 -0700
commit4f0ac854167846bd55cd81dbc9a36e03708aa01c (patch)
tree0eb34d18a667f8e68ad9255f791560b028fed2a6 /include
parentb9356c53ba2f593081e5aa45eb67adcce243d1c0 (diff)
parent6b58e7f146f8d79c08f62087f928e1f01747de71 (diff)
Merge branch 'perfcounters-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (60 commits) perf tools: Avoid unnecessary work in directory lookups perf stat: Clean up statistics calculations a bit more perf stat: More advanced variance computation perf stat: Use stddev_mean in stead of stddev perf stat: Remove the limit on repeat perf stat: Change noise calculation to use stddev x86, perf_counter, bts: Do not allow kernel BTS tracing for now x86, perf_counter, bts: Correct pointer-to-u64 casts x86, perf_counter, bts: Fail if BTS is not available perf_counter: Fix output-sharing error path perf trace: Fix read_string() perf trace: Print out in nanoseconds perf tools: Seek to the end of the header area perf trace: Fix parsing of perf.data perf trace: Sample timestamps as well perf_counter: Introduce new (non-)paranoia level to allow raw tracepoint access perf trace: Sample the CPU too perf tools: Work around strict aliasing related warnings perf tools: Clean up warnings list in the Makefile perf tools: Complete support for dynamic strings ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/perf_counter.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index b53f7006cc4..e022b847c90 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -216,6 +216,7 @@ struct perf_counter_attr {
#define PERF_COUNTER_IOC_REFRESH _IO ('$', 2)
#define PERF_COUNTER_IOC_RESET _IO ('$', 3)
#define PERF_COUNTER_IOC_PERIOD _IOW('$', 4, u64)
+#define PERF_COUNTER_IOC_SET_OUTPUT _IO ('$', 5)
enum perf_counter_ioc_flags {
PERF_IOC_FLAG_GROUP = 1U << 0,
@@ -415,6 +416,9 @@ enum perf_callchain_context {
PERF_CONTEXT_MAX = (__u64)-4095,
};
+#define PERF_FLAG_FD_NO_GROUP (1U << 0)
+#define PERF_FLAG_FD_OUTPUT (1U << 1)
+
#ifdef __KERNEL__
/*
* Kernel-internal data types and definitions:
@@ -536,6 +540,7 @@ struct perf_counter {
struct list_head sibling_list;
int nr_siblings;
struct perf_counter *group_leader;
+ struct perf_counter *output;
const struct pmu *pmu;
enum perf_counter_active_state state;