perf probe: Add --max-probes option

[pandora-kernel.git] / tools / perf / util / probe-event.c

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 5d3baec..9ded38c 100644 (file)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -150,7 +150,8 @@ static int convert_to_perf_probe_point(struct kprobe_trace_point *tp,
 
 /* Try to find perf_probe_event with debuginfo */
 static int try_to_find_kprobe_trace_events(struct perf_probe_event *pev,
-                                          struct kprobe_trace_event **tevs)
+                                          struct kprobe_trace_event **tevs,
+                                          int max_tevs)
 {
        bool need_dwarf = perf_probe_event_need_dwarf(pev);
        int fd, ntevs;
@@ -166,7 +167,7 @@ static int try_to_find_kprobe_trace_events(struct perf_probe_event *pev,
        }
 
        /* Searching trace events corresponding to probe event */
-       ntevs = find_kprobe_trace_events(fd, pev, tevs);
+       ntevs = find_kprobe_trace_events(fd, pev, tevs, max_tevs);
        close(fd);
 
        if (ntevs > 0) {        /* Succeeded to find trace events */
@@ -318,7 +319,8 @@ static int convert_to_perf_probe_point(struct kprobe_trace_point *tp,
 }
 
 static int try_to_find_kprobe_trace_events(struct perf_probe_event *pev,
-                               struct kprobe_trace_event **tevs __unused)
+                               struct kprobe_trace_event **tevs __unused,
+                               int max_tevs __unused)
 {
        if (perf_probe_event_need_dwarf(pev)) {
                pr_warning("Debuginfo-analysis is not supported.\n");
@@ -1408,14 +1410,15 @@ static int __add_kprobe_trace_events(struct perf_probe_event *pev,
 }
 
 static int convert_to_kprobe_trace_events(struct perf_probe_event *pev,
-                                         struct kprobe_trace_event **tevs)
+                                         struct kprobe_trace_event **tevs,
+                                         int max_tevs)
 {
        struct symbol *sym;
        int ret = 0, i;
        struct kprobe_trace_event *tev;
 
        /* Convert perf_probe_event with debuginfo */
-       ret = try_to_find_kprobe_trace_events(pev, tevs);
+       ret = try_to_find_kprobe_trace_events(pev, tevs, max_tevs);
        if (ret != 0)
                return ret;
 
@@ -1487,7 +1490,7 @@ struct __event_package {
 };
 
 int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
-                         bool force_add)
+                         bool force_add, int max_tevs)
 {
        int i, j, ret;
        struct __event_package *pkgs;
@@ -1506,7 +1509,7 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
                pkgs[i].pev = &pevs[i];
                /* Convert with or without debuginfo */
                ret  = convert_to_kprobe_trace_events(pkgs[i].pev,
-                                                     &pkgs[i].tevs);
+                                                     &pkgs[i].tevs, max_tevs);
                if (ret < 0)
                        goto end;
                pkgs[i].ntevs = ret;