* [PATCH 2/2] perf: replace record_type with sample_type in design document
[not found] <2ba0ea41a0372f31fcebda030440a55d37beeefb.1261999187.git.tim@klingt.org>
@ 2009-12-28 11:20 ` Tim Blechmann
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From: Tim Blechmann @ 2009-12-28 11:20 UTC (permalink / raw)
To: linux-kernel
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perf_event_attr.record_type has been renamed to sample_type,
perf_event_record_format with perf_event_sample_format. the design
document was still using the old name.
Signed-off-by: Tim Blechmann <tim@klingt.org>
---
tools/perf/design.txt | 25 +++++++++++++++----------
1 files changed, 15 insertions(+), 10 deletions(-)
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diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index d68515f..567a041 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -48,7 +48,7 @@ struct perf_event_attr {
__u64 sample_freq;
};
- __u32 record_type;
+ __u32 sample_type;
__u32 read_format;
__u64 disabled : 1, /* off by default */
@@ -175,20 +175,25 @@ into account.
A "sampling" counter is one that is set up to generate an interrupt
every N events, where N is given by 'sample_period'. A sampling counter
-has sample_period > 0. The record_type controls what data is recorded on each
+has sample_period > 0. The sample_type controls what data is recorded on each
interrupt:
/*
- * Bits that can be set in hw_event.record_type to request information
+ * Bits that can be set in hw_event.sample_type to request information
* in the overflow packets.
*/
-enum perf_event_record_format {
- PERF_RECORD_IP = 1U << 0,
- PERF_RECORD_TID = 1U << 1,
- PERF_RECORD_TIME = 1U << 2,
- PERF_RECORD_ADDR = 1U << 3,
- PERF_RECORD_GROUP = 1U << 4,
- PERF_RECORD_CALLCHAIN = 1U << 5,
+enum perf_event_sample_format {
+ PERF_SAMPLE_IP = 1U << 0,
+ PERF_SAMPLE_TID = 1U << 1,
+ PERF_SAMPLE_TIME = 1U << 2,
+ PERF_SAMPLE_ADDR = 1U << 3,
+ PERF_SAMPLE_READ = 1U << 4,
+ PERF_SAMPLE_CALLCHAIN = 1U << 5,
+ PERF_SAMPLE_ID = 1U << 6,
+ PERF_SAMPLE_CPU = 1U << 7,
+ PERF_SAMPLE_PERIOD = 1U << 8,
+ PERF_SAMPLE_STREAM_ID = 1U << 9,
+ PERF_SAMPLE_RAW = 1U << 10,
};
Such (and other) events will be recorded in a ring-buffer, which is
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