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-rw-r--r--tools/perf/util/cgroup.c26
-rw-r--r--tools/perf/util/dso.c2
-rw-r--r--tools/perf/util/probe-finder.c4
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c1
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c1
-rw-r--r--tools/perf/util/sort.h2
6 files changed, 25 insertions, 11 deletions
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 8fdee24..eafbf114 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -12,8 +12,8 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
{
FILE *fp;
char mountpoint[PATH_MAX + 1], tokens[PATH_MAX + 1], type[PATH_MAX + 1];
+ char path_v1[PATH_MAX + 1], path_v2[PATH_MAX + 2], *path;
char *token, *saved_ptr = NULL;
- int found = 0;
fp = fopen("/proc/mounts", "r");
if (!fp)
@@ -24,31 +24,43 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
* and inspect every cgroupfs mount point to find one that has
* perf_event subsystem
*/
+ path_v1[0] = '\0';
+ path_v2[0] = '\0';
+
while (fscanf(fp, "%*s %"STR(PATH_MAX)"s %"STR(PATH_MAX)"s %"
STR(PATH_MAX)"s %*d %*d\n",
mountpoint, type, tokens) == 3) {
- if (!strcmp(type, "cgroup")) {
+ if (!path_v1[0] && !strcmp(type, "cgroup")) {
token = strtok_r(tokens, ",", &saved_ptr);
while (token != NULL) {
if (!strcmp(token, "perf_event")) {
- found = 1;
+ strcpy(path_v1, mountpoint);
break;
}
token = strtok_r(NULL, ",", &saved_ptr);
}
}
- if (found)
+
+ if (!path_v2[0] && !strcmp(type, "cgroup2"))
+ strcpy(path_v2, mountpoint);
+
+ if (path_v1[0] && path_v2[0])
break;
}
fclose(fp);
- if (!found)
+
+ if (path_v1[0])
+ path = path_v1;
+ else if (path_v2[0])
+ path = path_v2;
+ else
return -1;
- if (strlen(mountpoint) < maxlen) {
- strcpy(buf, mountpoint);
+ if (strlen(path) < maxlen) {
+ strcpy(buf, path);
return 0;
}
return -1;
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 28d41e7..3abe337 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -951,7 +951,7 @@ static struct dso *__dso__findlink_by_longname(struct rb_root *root,
if (rc == 0) {
/*
* In case the new DSO is a duplicate of an existing
- * one, print an one-time warning & put the new entry
+ * one, print a one-time warning & put the new entry
* at the end of the list of duplicates.
*/
if (!dso || (dso == this))
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 0d9d6e0..57cd268 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -464,7 +464,7 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
/* Verify it is a data structure */
tag = dwarf_tag(&type);
if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
- pr_warning("%s is not a data structure nor an union.\n",
+ pr_warning("%s is not a data structure nor a union.\n",
varname);
return -EINVAL;
}
@@ -479,7 +479,7 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
} else {
/* Verify it is a data structure */
if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
- pr_warning("%s is not a data structure nor an union.\n",
+ pr_warning("%s is not a data structure nor a union.\n",
varname);
return -EINVAL;
}
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index c1555fd..dff043a 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -217,6 +217,7 @@ static void define_event_symbols(struct event_format *event,
cur_field_name);
break;
case PRINT_HEX:
+ case PRINT_HEX_STR:
define_event_symbols(event, ev_name, args->hex.field);
define_event_symbols(event, ev_name, args->hex.size);
break;
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 089438d..581e0ef 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -236,6 +236,7 @@ static void define_event_symbols(struct event_format *event,
cur_field_name);
break;
case PRINT_HEX:
+ case PRINT_HEX_STR:
define_event_symbols(event, ev_name, args->hex.field);
define_event_symbols(event, ev_name, args->hex.size);
break;
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 7aff317..796c847 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -108,7 +108,7 @@ struct hist_entry {
/*
* Since perf diff only supports the stdio output, TUI
* fields are only accessed from perf report (or perf
- * top). So make it an union to reduce memory usage.
+ * top). So make it a union to reduce memory usage.
*/
struct hist_entry_diff diff;
struct /* for TUI */ {
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