4 files changed, 15 insertions, 0 deletions

diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 3a8a9ba2b041..947db6fe512c 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -109,6 +109,10 @@ OPTIONS
         Dry run. With this option, --add and --del doesn't execute actual
         adding and removal operations.
 
+--cache::
+        Cache the probes (with --add option). Any events which successfully added
+        are also stored in the cache file.
+
 --max-probes=NUM::
         Set the maximum number of probe points for an event. Default is 128.
 
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 9af859b28b15..6d7ab4316449 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -512,6 +512,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
                     "Enable symbol demangling"),
         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
                     "Enable kernel symbol demangling"),
+        OPT_BOOLEAN(0, "cache", &probe_conf.cache, "Manipulate probe cache"),
         OPT_END()
         };
         int ret;
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index cbc8a8bf0f36..084756c17309 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2514,6 +2514,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
 {
         int i, fd, ret;
         struct probe_trace_event *tev = NULL;
+        struct probe_cache *cache = NULL;
         struct strlist *namelist;
 
         fd = probe_file__open(PF_FL_RW | (pev->uprobes ? PF_FL_UPROBE : 0));
@@ -2555,6 +2556,14 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
         }
         if (ret == -EINVAL && pev->uprobes)
                 warn_uprobe_event_compat(tev);
+        if (ret == 0 && probe_conf.cache) {
+                cache = probe_cache__new(pev->target);
+                if (!cache ||
+                    probe_cache__add_entry(cache, pev, tevs, ntevs) < 0 ||
+                    probe_cache__commit(cache) < 0)
+                        pr_warning("Failed to add event to probe cache\n");
+                probe_cache__delete(cache);
+        }
 
         strlist__delete(namelist);
 close_out:
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index 0b024ba789e3..432b690d3f17 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -12,6 +12,7 @@ struct probe_conf {
         bool    show_location_range;
         bool    force_add;
         bool    no_inlines;
+        bool    cache;
         int     max_probes;
 };
 extern struct probe_conf probe_conf;