aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/probe-event.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/probe-event.c')
-rw-r--r--tools/perf/util/probe-event.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 05ca4a959e60..bef280527e60 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -435,7 +435,7 @@ static void parse_perf_probe_point(char *arg, struct perf_probe_event *pev)
}
/* Parse perf-probe event argument */
-static void parse_perf_probe_arg(const char *str, struct perf_probe_arg *arg)
+static void parse_perf_probe_arg(char *str, struct perf_probe_arg *arg)
{
char *tmp;
struct perf_probe_arg_field **fieldp;
@@ -445,9 +445,17 @@ static void parse_perf_probe_arg(const char *str, struct perf_probe_arg *arg)
tmp = strchr(str, '=');
if (tmp) {
arg->name = xstrndup(str, tmp - str);
+ pr_debug("name:%s ", arg->name);
str = tmp + 1;
}
+ tmp = strchr(str, ':');
+ if (tmp) { /* Type setting */
+ *tmp = '\0';
+ arg->type = xstrdup(tmp + 1);
+ pr_debug("type:%s ", arg->type);
+ }
+
tmp = strpbrk(str, "-.");
if (!is_c_varname(str) || !tmp) {
/* A variable, register, symbol or special value */
@@ -603,6 +611,15 @@ int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, size_t len)
len -= ret;
field = field->next;
}
+
+ if (pa->type) {
+ ret = e_snprintf(tmp, len, ":%s", pa->type);
+ if (ret <= 0)
+ goto error;
+ tmp += ret;
+ len -= ret;
+ }
+
return tmp - buf;
error:
die("Failed to synthesize perf probe argument: %s", strerror(-ret));
@@ -825,6 +842,8 @@ void clear_perf_probe_event(struct perf_probe_event *pev)
free(pev->args[i].name);
if (pev->args[i].var)
free(pev->args[i].var);
+ if (pev->args[i].type)
+ free(pev->args[i].type);
field = pev->args[i].field;
while (field) {
next = field->next;
@@ -1145,6 +1164,8 @@ static int convert_to_kprobe_trace_events(struct perf_probe_event *pev,
if (pev->args[i].name)
tev->args[i].name = xstrdup(pev->args[i].name);
tev->args[i].value = xstrdup(pev->args[i].var);
+ if (pev->args[i].type)
+ tev->args[i].type = xstrdup(pev->args[i].type);
}
}