diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/probe-event.c | 52 |
1 files changed, 43 insertions, 9 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index ee3f41eec5c1..b82d54fa2c56 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -117,6 +117,10 @@ static struct map *kernel_get_module_map(const char *module) struct rb_node *nd; struct map_groups *grp = &machine.kmaps; + /* A file path -- this is an offline module */ + if (module && strchr(module, '/')) + return machine__new_module(&machine, 0, module); + if (!module) module = "kernel"; @@ -173,12 +177,19 @@ const char *kernel_get_module_path(const char *module) /* Open new debuginfo of given module */ static struct debuginfo *open_debuginfo(const char *module) { - const char *path = kernel_get_module_path(module); + const char *path; - if (!path) { - pr_err("Failed to find path of %s module.\n", - module ?: "kernel"); - return NULL; + /* A file path -- this is an offline module */ + if (module && strchr(module, '/')) + path = module; + else { + path = kernel_get_module_path(module); + + if (!path) { + pr_err("Failed to find path of %s module.\n", + module ?: "kernel"); + return NULL; + } } return debuginfo__new(path); } @@ -229,13 +240,36 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, static int add_module_to_probe_trace_events(struct probe_trace_event *tevs, int ntevs, const char *module) { - int i; + int i, ret = 0; + char *tmp; + + if (!module) + return 0; + + tmp = strrchr(module, '/'); + if (tmp) { + /* This is a module path -- get the module name */ + module = strdup(tmp + 1); + if (!module) + return -ENOMEM; + tmp = strchr(module, '.'); + if (tmp) + *tmp = '\0'; + tmp = (char *)module; /* For free() */ + } + for (i = 0; i < ntevs; i++) { tevs[i].point.module = strdup(module); - if (!tevs[i].point.module) - return -ENOMEM; + if (!tevs[i].point.module) { + ret = -ENOMEM; + break; + } } - return 0; + + if (tmp) + free(tmp); + + return ret; } /* Try to find perf_probe_event with debuginfo */ |