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-rw-r--r--tools/perf/util/parse-events.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 77b43fe43d55..7f8ec6ce2823 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -526,7 +526,7 @@ do { \
}
int parse_events_add_breakpoint(struct list_head *list, int *idx,
- void *ptr, char *type)
+ void *ptr, char *type, u64 len)
{
struct perf_event_attr attr;
@@ -536,14 +536,15 @@ int parse_events_add_breakpoint(struct list_head *list, int *idx,
if (parse_breakpoint_type(type, &attr))
return -EINVAL;
- /*
- * We should find a nice way to override the access length
- * Provide some defaults for now
- */
- if (attr.bp_type == HW_BREAKPOINT_X)
- attr.bp_len = sizeof(long);
- else
- attr.bp_len = HW_BREAKPOINT_LEN_4;
+ /* Provide some defaults if len is not specified */
+ if (!len) {
+ if (attr.bp_type == HW_BREAKPOINT_X)
+ len = sizeof(long);
+ else
+ len = HW_BREAKPOINT_LEN_4;
+ }
+
+ attr.bp_len = len;
attr.type = PERF_TYPE_BREAKPOINT;
attr.sample_period = 1;
@@ -1121,7 +1122,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
return;
for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- if (subsys_glob != NULL &&
+ if (subsys_glob != NULL &&
!strglobmatch(sys_dirent.d_name, subsys_glob))
continue;
@@ -1132,7 +1133,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
continue;
for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
- if (event_glob != NULL &&
+ if (event_glob != NULL &&
!strglobmatch(evt_dirent.d_name, event_glob))
continue;
@@ -1305,7 +1306,7 @@ static void print_symbol_events(const char *event_glob, unsigned type,
for (i = 0; i < max; i++, syms++) {
- if (event_glob != NULL &&
+ if (event_glob != NULL &&
!(strglobmatch(syms->symbol, event_glob) ||
(syms->alias && strglobmatch(syms->alias, event_glob))))
continue;
@@ -1366,7 +1367,7 @@ void print_events(const char *event_glob, bool name_only)
printf("\n");
printf(" %-50s [%s]\n",
- "mem:<addr>[:access]",
+ "mem:<addr>[/len][:access]",
event_type_descriptors[PERF_TYPE_BREAKPOINT]);
printf("\n");
}