diff options
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index c71c7e035641..9e890b482220 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -24,6 +24,7 @@ #include "bpf-event.h" #include "util/string2.h" #include "util/perf_api_probe.h" +#include "util/evsel_fprintf.h" #include <signal.h> #include <unistd.h> #include <sched.h> @@ -1936,6 +1937,9 @@ static int evlist__ctlfd_recv(struct evlist *evlist, enum evlist_ctl_cmd *cmd, (sizeof(EVLIST_CTL_CMD_SNAPSHOT_TAG)-1))) { *cmd = EVLIST_CTL_CMD_SNAPSHOT; pr_debug("is snapshot\n"); + } else if (!strncmp(cmd_data, EVLIST_CTL_CMD_EVLIST_TAG, + (sizeof(EVLIST_CTL_CMD_EVLIST_TAG)-1))) { + *cmd = EVLIST_CTL_CMD_EVLIST; } } @@ -2015,6 +2019,40 @@ static int evlist__ctlfd_enable(struct evlist *evlist, char *cmd_data, bool enab return 0; } +static int evlist__ctlfd_list(struct evlist *evlist, char *cmd_data) +{ + struct perf_attr_details details = { .verbose = false, }; + struct evsel *evsel; + char *arg; + int err; + + err = get_cmd_arg(cmd_data, + sizeof(EVLIST_CTL_CMD_EVLIST_TAG) - 1, + &arg); + if (err < 0) { + pr_info("failed: wrong command\n"); + return -1; + } + + if (err) { + if (!strcmp(arg, "-v")) { + details.verbose = true; + } else if (!strcmp(arg, "-g")) { + details.event_group = true; + } else if (!strcmp(arg, "-F")) { + details.freq = true; + } else { + pr_info("failed: wrong command\n"); + return -1; + } + } + + evlist__for_each_entry(evlist, evsel) + evsel__fprintf(evsel, &details, stderr); + + return 0; +} + int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd) { int err = 0; @@ -2035,6 +2073,9 @@ int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd) err = evlist__ctlfd_enable(evlist, cmd_data, *cmd == EVLIST_CTL_CMD_ENABLE); break; + case EVLIST_CTL_CMD_EVLIST: + err = evlist__ctlfd_list(evlist, cmd_data); + break; case EVLIST_CTL_CMD_SNAPSHOT: break; case EVLIST_CTL_CMD_ACK: |