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perf tools: Fix hw breakpoint's type modifier parsing

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Fixing the hw breakpoint's type modifier parsing to allow all possible
combinations of 'rwx' characters.

Adding automated tests to the parsing test suite.

Reported-by: Jovi Zhang <bookjovi@gmail.com>
Original-patch-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jovi Zhang <bookjovi@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120629072254.GA940@krava.brq.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2012-06-29 09:22:54 +02:00
committed by Arnaldo Carvalho de Melo
parent 50d8f9e393
commit 7582732f57
3 changed files with 51 additions and 4 deletions
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37
tools/perf/util/parse-events-test.c
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@@ -181,6 +181,22 @@ static int test__checkevent_breakpoint_w(struct perf_evlist *evlist)
return 0;
}
static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist)
{
struct perf_evsel *evsel = list_entry(evlist->entries.next,
struct perf_evsel, node);
TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
TEST_ASSERT_VAL("wrong type",
PERF_TYPE_BREAKPOINT == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
TEST_ASSERT_VAL("wrong bp_type",
(HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->attr.bp_type);
TEST_ASSERT_VAL("wrong bp_len",
HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len);
return 0;
}
static int test__checkevent_tracepoint_modifier(struct perf_evlist *evlist)
{
struct perf_evsel *evsel = list_entry(evlist->entries.next,
@@ -352,6 +368,19 @@ static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist)
return test__checkevent_breakpoint_w(evlist);
}
static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
{
struct perf_evsel *evsel = list_entry(evlist->entries.next,
struct perf_evsel, node);
TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
return test__checkevent_breakpoint_rw(evlist);
}
static int test__checkevent_pmu(struct perf_evlist *evlist)
{
@@ -585,6 +614,14 @@ static struct test__event_st test__events[] = {
.name = "instructions:H",
.check = test__checkevent_exclude_guest_modifier,
},
[26] = {
.name = "mem:0:rw",
.check = test__checkevent_breakpoint_rw,
},
[27] = {
.name = "mem:0:rw:kp",
.check = test__checkevent_breakpoint_rw_modifier,
},
};
#define TEST__EVENTS_CNT (sizeof(test__events) / sizeof(struct test__event_st))