STOP_TRACE,
DESTROY_TRACE,
LIST_MARKERS,
+ LIST_TRACE_EVENTS,
ENABLE_MARKER,
DISABLE_MARKER,
GET_ONLINE_PIDS,
--enable-marker \"CHANNEL/MARKER\"\tEnable a marker\n\
--disable-marker \"CHANNEL/MARKER\"\tDisable a marker\n\
--list-markers\t\t\tList the markers of the process, their\n\t\t\t\t\t state and format string\n\
+ --list-trace-events\t\t\tList the trace-events of the process\n\
--force-switch\t\t\tForce a subbuffer switch\n\
\
");
{ "stop-trace", 0, 0, STOP_TRACE },
{ "destroy-trace", 0, 0, DESTROY_TRACE },
{ "list-markers", 0, 0, LIST_MARKERS },
+ { "list-trace-events", 0, 0, LIST_TRACE_EVENTS},
{ "enable-marker", 1, 0, ENABLE_MARKER },
{ "disable-marker", 1, 0, DISABLE_MARKER },
{ "help", 0, 0, 'h' },
return 0;
}
+static int scan_ch_marker(const char *channel_marker, char **channel,
+ char **marker)
+{
+ int result;
+
+ *channel = NULL;
+ *marker = NULL;
+
+ result = sscanf(channel_marker, "%a[^/]/%as", channel, marker);
+ if (result != 2) {
+ if (errno) {
+ PERROR("Failed to read channel and marker names");
+ } else {
+ ERR("Failed to parse marker and channel names");
+ }
+ if (*channel) {
+ free(*channel);
+ }
+ if (*marker) {
+ free(*marker);
+ }
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+static int scan_ch_and_num(const char *ch_num, char **channel, unsigned int *num)
+{
+ int result;
+
+ *channel = NULL;
+
+ result = sscanf(ch_num, "%a[^/]/%u", channel, num);
+ if (result != 2) {
+ if (errno) {
+ PERROR("Failed to parse channel and number");
+ } else {
+ ERR("Failed to parse channel and number");
+ }
+ if (*channel) {
+ free(*channel);
+ }
+ return -1;
+ }
+}
+
int main(int argc, char *argv[])
{
pid_t *pidit;
int result;
+ int retval = EXIT_SUCCESS;
char *tmp;
struct ust_opts opts;
pidit = opts.pids;
struct marker_status *cmsf = NULL;
+ struct trace_event_status *tes = NULL;
+ unsigned int i = 0;
while(*pidit != -1) {
switch (opts.cmd) {
result = ustcmd_create_trace(*pidit);
if (result) {
ERR("error while trying to create trace with PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
break;
result = ustcmd_start_trace(*pidit);
if (result) {
ERR("error while trying to for trace with PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
break;
result = ustcmd_stop_trace(*pidit);
if (result) {
ERR("error while trying to stop trace for PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
break;
result = ustcmd_destroy_trace(*pidit);
if (result) {
ERR("error while trying to destroy trace with PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
break;
case LIST_MARKERS:
cmsf = NULL;
if (ustcmd_get_cmsf(&cmsf, *pidit)) {
- fprintf(stderr,
- "error while trying to list markers for"
- " PID %u\n", (unsigned int) *pidit);
+ ERR("error while trying to list markers for PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
- unsigned int i = 0;
+ i = 0;
while (cmsf[i].channel != NULL) {
printf("{PID: %u, channel/marker: %s/%s, "
"state: %u, fmt: %s}\n",
ustcmd_free_cmsf(cmsf);
break;
+ case LIST_TRACE_EVENTS:
+ tes = NULL;
+ if (ustcmd_get_tes(&tes, *pidit)) {
+ ERR("error while trying to list "
+ "trace_events for PID %u\n",
+ (unsigned int) *pidit);
+ break;
+ }
+ i = 0;
+ while (tes[i].name != NULL) {
+ printf("{PID: %u, trace_event: %s}\n",
+ (unsigned int) *pidit,
+ tes[i].name);
+ ++i;
+ }
+ ustcmd_free_tes(tes);
+
+ break;
case ENABLE_MARKER:
- if(opts.regex)
- ustcmd_set_marker_state(opts.regex, 1, *pidit);
+ if (opts.regex) {
+ char *channel, *marker;
+
+ if (scan_ch_marker(opts.regex,
+ &channel, &marker)) {
+ retval = EXIT_FAILURE;
+ break;
+ }
+ if (ustcmd_set_marker_state(channel, marker, 1, *pidit)) {
+ PERROR("error while trying to enable marker %s with PID %u",
+ opts.regex, (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
+ }
+ }
+
break;
case DISABLE_MARKER:
- if(opts.regex)
- ustcmd_set_marker_state(opts.regex, 0, *pidit);
+ if (opts.regex) {
+ char *channel, *marker;
+
+ if (scan_ch_marker(opts.regex,
+ &channel, &marker)) {
+ retval = EXIT_FAILURE;
+ break;
+ }
+ if (ustcmd_set_marker_state(channel, marker, 0, *pidit)) {
+ ERR("error while trying to disable marker %s with PID %u\n",
+ opts.regex, (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
+ }
+ }
break;
case SET_SUBBUF_SIZE:
- ustcmd_set_subbuf_size(opts.regex, *pidit);
+ if (opts.regex) {
+ char *channel;
+ unsigned int size;
+ if (scan_ch_and_num(opts.regex, &channel, &size)) {
+ retval = EXIT_FAILURE;
+ break;
+ }
+
+ if (ustcmd_set_subbuf_size(channel, size, *pidit)) {
+ ERR("error while trying to set the size of subbuffers with PID %u\n",
+ (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
+ }
+ }
break;
case SET_SUBBUF_NUM:
- ustcmd_set_subbuf_num(opts.regex, *pidit);
+ if (opts.regex) {
+ char *channel;
+ unsigned int num;
+ if (scan_ch_and_num(opts.regex, &channel, &num)) {
+ retval = EXIT_FAILURE;
+ break;
+ }
+
+ if (num < 2) {
+ ERR("Subbuffer count should be greater or equal to 2");
+ retval = EXIT_FAILURE;
+ break;
+ }
+ if (ustcmd_set_subbuf_num(channel, num, *pidit)) {
+ ERR("error while trying to set the number of subbuffers with PID %u\n",
+ (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
+ }
+ }
break;
case GET_SUBBUF_SIZE:
result = ustcmd_get_subbuf_size(opts.regex, *pidit);
if (result == -1) {
ERR("error while trying to get_subuf_size with PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
result = ustcmd_get_subbuf_num(opts.regex, *pidit);
if (result == -1) {
ERR("error while trying to get_subuf_num with PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
result = ustcmd_alloc_trace(*pidit);
if (result) {
ERR("error while trying to alloc trace with PID %u\n", (unsigned int) *pidit);
- break;
+ retval = EXIT_FAILURE;
}
break;
result = ustcmd_get_sock_path(&tmp, *pidit);
if (result) {
ERR("error while trying to get sock path for PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
break;
}
printf("the socket path is %s\n", tmp);
result = ustcmd_set_sock_path(opts.regex, *pidit);
if (result) {
ERR("error while trying to set sock path for PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
}
break;
result = ustcmd_force_switch(*pidit);
if (result) {
ERR("error while trying to force switch for PID %u\n", (unsigned int) *pidit);
+ retval = EXIT_FAILURE;
}
break;
default:
ERR("unknown command\n");
- break;
+ retval = EXIT_FAILURE;
+ break;
}
pidit++;
free(opts.regex);
}
- return 0;
+ return retval;
}
projects / ust.git / blobdiff