X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fdisable_events.c;h=67af683c8817270ffa11b5307e2e4d358170c34f;hp=13ebd6c3acff763b235bfc4748fab0404716c81c;hb=422138c82c89f4c8863776b0a5737dfd47044ff3;hpb=6caa2bcc3ec40374ae1c3b81c0179eb3f693de84 diff --git a/lttng/commands/disable_events.c b/lttng/commands/disable_events.c index 13ebd6c3a..67af683c8 100644 --- a/lttng/commands/disable_events.c +++ b/lttng/commands/disable_events.c @@ -30,7 +30,7 @@ #include "../utils.h" static char *opt_event_list; -static char *opt_kernel; +static int opt_kernel; static char *opt_channel_name; static char *opt_session_name; static int opt_pid_all; @@ -69,7 +69,7 @@ static void usage(FILE *ofp) fprintf(ofp, " -h, --help Show this help\n"); fprintf(ofp, " -s, --session Apply on session name\n"); fprintf(ofp, " -c, --channel Apply on this channel\n"); - fprintf(ofp, " -a, --all-events Enable all tracepoints\n"); + fprintf(ofp, " -a, --all-events Disable all tracepoints\n"); fprintf(ofp, " -k, --kernel Apply for the kernel tracer\n"); fprintf(ofp, " -u, --userspace [CMD] Apply for the user-space tracer\n"); fprintf(ofp, " --all If -u, apply on all traceable apps\n"); @@ -100,6 +100,21 @@ static int disable_events(char *session_name) if (opt_kernel) { dom.type = LTTNG_DOMAIN_KERNEL; + } else if (opt_pid != 0) { + dom.type = LTTNG_DOMAIN_UST_PID; + dom.attr.pid = opt_pid; + DBG("PID %d set to lttng handle", opt_pid); + } else if (opt_userspace && opt_cmd_name == NULL) { + dom.type = LTTNG_DOMAIN_UST; + DBG("UST global domain selected"); + } else if (opt_userspace && opt_cmd_name != NULL) { + dom.type = LTTNG_DOMAIN_UST_EXEC_NAME; + strncpy(dom.attr.exec_name, opt_cmd_name, NAME_MAX); + dom.attr.exec_name[NAME_MAX - 1] = '\0'; + } else { + ERR("Please specify a tracer (--kernel or --userspace)"); + ret = CMD_NOT_IMPLEMENTED; + goto error; } handle = lttng_create_handle(session_name, &dom); @@ -109,12 +124,14 @@ static int disable_events(char *session_name) } if (opt_disable_all) { - if (opt_kernel) { - ret = lttng_disable_event(handle, NULL, channel_name); + ret = lttng_disable_event(handle, NULL, channel_name); + if (ret < 0) { goto error; } - /* TODO: User-space tracer */ + MSG("All %s events are disabled in channel %s", + opt_kernel ? "kernel" : "UST", channel_name); + goto end; } /* Strip event list */ @@ -122,35 +139,37 @@ static int disable_events(char *session_name) while (event_name != NULL) { /* Kernel tracer action */ if (opt_kernel) { - DBG("Disabling kernel event %s for channel %s", + DBG("Disabling kernel event %s in channel %s", event_name, channel_name); - - ret = lttng_disable_event(handle, event_name, channel_name); - if (ret < 0) { - MSG("Unable to disable event %s for channel %s", - event_name, channel_name); - } else { - MSG("Kernel event %s disabled for channel %s", - event_name, channel_name); - } } else if (opt_userspace) { /* User-space tracer action */ - /* - * TODO: Waiting on lttng UST 2.0 - */ - if (opt_pid_all) { - } else if (opt_pid != 0) { + if (!opt_pid_all) { + MSG("Only supporting tracing all UST processes (-u --all) for now."); + ret = CMD_NOT_IMPLEMENTED; + goto error; } - ret = CMD_NOT_IMPLEMENTED; - goto error; + DBG("Disabling UST event %s in channel %s", + event_name, channel_name); } else { ERR("Please specify a tracer (--kernel or --userspace)"); goto error; } + ret = lttng_disable_event(handle, event_name, channel_name); + if (ret < 0) { + MSG("Unable to disable %s event %s in channel %s", + opt_kernel ? "kernel" : "UST", event_name, + channel_name); + } else { + MSG("%s event %s disabled in channel %s", + opt_kernel ? "kernel" : "UST", event_name, + channel_name); + } + /* Next event */ event_name = strtok(NULL, ","); } +end: error: if (opt_channel_name == NULL) { free(channel_name);