diff options
| -rw-r--r-- | tools/perf/util/probe-event.c | 36 | ||||
| -rw-r--r-- | tools/perf/util/trace-event-parse.c | 18 |
2 files changed, 37 insertions, 17 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 4ce04c2281d3..49a256e6e0a2 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -1100,6 +1100,7 @@ static int parse_probe_trace_command(const char *cmd, struct probe_trace_point *tp = &tev->point; char pr; char *p; + char *argv0_str = NULL, *fmt, *fmt1_str, *fmt2_str, *fmt3_str; int ret, i, argc; char **argv; @@ -1116,14 +1117,27 @@ static int parse_probe_trace_command(const char *cmd, } /* Scan event and group name. */ - ret = sscanf(argv[0], "%c:%a[^/ \t]/%a[^ \t]", - &pr, (float *)(void *)&tev->group, - (float *)(void *)&tev->event); - if (ret != 3) { + argv0_str = strdup(argv[0]); + if (argv0_str == NULL) { + ret = -ENOMEM; + goto out; + } + fmt1_str = strtok_r(argv0_str, ":", &fmt); + fmt2_str = strtok_r(NULL, "/", &fmt); + fmt3_str = strtok_r(NULL, " \t", &fmt); + if (fmt1_str == NULL || strlen(fmt1_str) != 1 || fmt2_str == NULL + || fmt3_str == NULL) { semantic_error("Failed to parse event name: %s\n", argv[0]); ret = -EINVAL; goto out; } + pr = fmt1_str[0]; + tev->group = strdup(fmt2_str); + tev->event = strdup(fmt3_str); + if (tev->group == NULL || tev->event == NULL) { + ret = -ENOMEM; + goto out; + } pr_debug("Group:%s Event:%s probe:%c\n", tev->group, tev->event, pr); tp->retprobe = (pr == 'r'); @@ -1135,10 +1149,17 @@ static int parse_probe_trace_command(const char *cmd, p++; } else p = argv[1]; - ret = sscanf(p, "%a[^+]+%lu", (float *)(void *)&tp->symbol, - &tp->offset); - if (ret == 1) + fmt1_str = strtok_r(p, "+", &fmt); + tp->symbol = strdup(fmt1_str); + if (tp->symbol == NULL) { + ret = -ENOMEM; + goto out; + } + fmt2_str = strtok_r(NULL, "", &fmt); + if (fmt2_str == NULL) tp->offset = 0; + else + tp->offset = strtoul(fmt2_str, NULL, 10); tev->nargs = argc - 2; tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs); @@ -1162,6 +1183,7 @@ static int parse_probe_trace_command(const char *cmd, } ret = 0; out: + free(argv0_str); argv_free(argv); return ret; } diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index aa4c860a21d1..3aabcd687cd5 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -229,24 +229,22 @@ void parse_proc_kallsyms(struct pevent *pevent, char *next = NULL; char *addr_str; char *mod; - char ch; + char *fmt; line = strtok_r(file, "\n", &next); while (line) { mod = NULL; - sscanf(line, "%as %c %as\t[%as", - (float *)(void *)&addr_str, /* workaround gcc warning */ - &ch, (float *)(void *)&func, (float *)(void *)&mod); + addr_str = strtok_r(line, " ", &fmt); addr = strtoull(addr_str, NULL, 16); - free(addr_str); - - /* truncate the extra ']' */ + /* skip character */ + strtok_r(NULL, " ", &fmt); + func = strtok_r(NULL, "\t", &fmt); + mod = strtok_r(NULL, "]", &fmt); + /* truncate the extra '[' */ if (mod) - mod[strlen(mod) - 1] = 0; + mod = mod + 1; pevent_register_function(pevent, func, addr, mod); - free(func); - free(mod); line = strtok_r(NULL, "\n", &next); } |