X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fdisable_events.c;h=1891cd2e34729cc45b94ec3c2f4da12f8f9391dc;hp=f30a2b28ac4ea629f7ea0266b6574b3d4e90630a;hb=9730260e7e733b421e1af26a9953f938de2628cc;hpb=f84efadf55274918ca038a4e06e0a8af1a320654 diff --git a/lttng/commands/disable_events.c b/lttng/commands/disable_events.c index f30a2b28a..1891cd2e3 100644 --- a/lttng/commands/disable_events.c +++ b/lttng/commands/disable_events.c @@ -30,12 +30,12 @@ #include "../utils.h" static char *opt_event_list; -static char *opt_kernel; -static char *opt_cmd_name; +static int opt_kernel; static char *opt_channel_name; static char *opt_session_name; static int opt_pid_all; static int opt_userspace; +static char *opt_cmd_name; static int opt_disable_all; static pid_t opt_pid; @@ -53,7 +53,7 @@ static struct poptOption long_options[] = { {"all-events", 'a', POPT_ARG_VAL, &opt_disable_all, 1, 0, 0}, {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, - {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, 0, OPT_USERSPACE, 0, 0}, + {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, {"all", 0, POPT_ARG_VAL, &opt_pid_all, 1, 0, 0}, {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0} @@ -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 +100,20 @@ 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); + } else { + ERR("Please specify a tracer (--kernel or --userspace)"); + ret = CMD_NOT_IMPLEMENTED; + goto error; } handle = lttng_create_handle(session_name, &dom); @@ -109,12 +123,14 @@ 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 +138,37 @@ 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); @@ -182,7 +200,6 @@ int cmd_disable_events(int argc, const char **argv) goto end; case OPT_USERSPACE: opt_userspace = 1; - opt_cmd_name = poptGetOptArg(pc); break; default: usage(stderr);