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authorJacob Shin <jacob.w.shin@gmail.com>2014-05-29 17:26:51 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2014-12-03 15:14:29 +0100
commit3741eb9f8c3be3ec59583881c1f49980dad844e0 (patch)
treee4744f42bbaf21c8ddf623f1b87202c1ae3e1a93 /tools/perf/util/parse-events.y
parentd6d55f0b9d900673548515614b56ab55aa2c51f8 (diff)
downloadlinux-3741eb9f8c3be3ec59583881c1f49980dad844e0.tar.bz2
perf tools: allow user to specify hardware breakpoint bp_len
Currently bp_len is given a default value of 4. Allow user to override it: $ perf stat -e mem:0x1000/8 ^ bp_len If no value is given, it will default to 4 as it did before. Signed-off-by: Jacob Shin <jacob.w.shin@gmail.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: xiakaixu <xiakaixu@huawei.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/perf/util/parse-events.y')
-rw-r--r--tools/perf/util/parse-events.y26
1 files changed, 24 insertions, 2 deletions
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 93c4c9fbc922..72def077dbbf 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -326,6 +326,28 @@ PE_NAME_CACHE_TYPE
}
event_legacy_mem:
+PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc
+{
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
+
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
+ (void *) $2, $6, $4));
+ $$ = list;
+}
+|
+PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc
+{
+ struct parse_events_evlist *data = _data;
+ struct list_head *list;
+
+ ALLOC_LIST(list);
+ ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
+ (void *) $2, NULL, $4));
+ $$ = list;
+}
+|
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
struct parse_events_evlist *data = _data;
@@ -333,7 +355,7 @@ PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
ALLOC_LIST(list);
ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
- (void *) $2, $4));
+ (void *) $2, $4, 0));
$$ = list;
}
|
@@ -344,7 +366,7 @@ PE_PREFIX_MEM PE_VALUE sep_dc
ALLOC_LIST(list);
ABORT_ON(parse_events_add_breakpoint(list, &data->idx,
- (void *) $2, NULL));
+ (void *) $2, NULL, 0));
$$ = list;
}