diff options
Diffstat (limited to 'tools/perf/builtin-probe.c')
| -rw-r--r-- | tools/perf/builtin-probe.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 2df23e1..f7b1af6 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -56,6 +56,7 @@ static struct { bool mod_events; bool uprobes; bool quiet; + bool target_used; int nevents; struct perf_probe_event events[MAX_PROBES]; struct strlist *dellist; @@ -82,6 +83,7 @@ static int parse_probe_event(const char *str) pev->target = strdup(params.target); if (!pev->target) return -ENOMEM; + params.target_used = true; } /* Parse a perf-probe command into event */ @@ -107,6 +109,7 @@ static int set_target(const char *ptr) params.target = strdup(ptr); if (!params.target) return -ENOMEM; + params.target_used = false; found = 1; buf = ptr + (strlen(ptr) - 3); @@ -207,6 +210,7 @@ static int opt_set_target(const struct option *opt, const char *str, } free(params.target); params.target = tmp; + params.target_used = false; ret = 0; } @@ -491,6 +495,12 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) } if (params.nevents) { + /* Ensure the last given target is used */ + if (params.target && !params.target_used) { + pr_warning(" Error: -x/-m must follow the probe definitions.\n"); + usage_with_options(probe_usage, options); + } + ret = add_perf_probe_events(params.events, params.nevents, params.max_probe_points, params.force_add); |
