X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fenable_channels.c;h=e27fe88cecff1a826e62e849539bdaa4187a8a93;hp=3ec02ef4127d8cbff3052af6b0f7f8ce9e447f9c;hb=679b4943c3b0f451e7f4fbcd804dd8a7a679e253;hpb=c399183f4b3257c43915f3d81f44befd23165ad9 diff --git a/src/bin/lttng/commands/enable_channels.c b/src/bin/lttng/commands/enable_channels.c index 3ec02ef41..e27fe88ce 100644 --- a/src/bin/lttng/commands/enable_channels.c +++ b/src/bin/lttng/commands/enable_channels.c @@ -30,12 +30,14 @@ static char *opt_channels; static int opt_kernel; -static char *opt_cmd_name; static char *opt_session_name; static int opt_userspace; +static struct lttng_channel chan; +#if 0 +/* Not implemented yet */ static char *opt_cmd_name; static pid_t opt_pid; -static struct lttng_channel chan; +#endif enum { OPT_HELP = 1, @@ -46,6 +48,7 @@ enum { OPT_SWITCH_TIMER, OPT_READ_TIMER, OPT_USERSPACE, + OPT_LIST_OPTIONS, }; static struct lttng_handle *handle; @@ -55,14 +58,20 @@ static struct poptOption long_options[] = { {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, +#if 0 + /* Not implemented yet */ {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, +#else + {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, +#endif {"discard", 0, POPT_ARG_NONE, 0, OPT_DISCARD, 0, 0}, {"overwrite", 0, POPT_ARG_NONE, 0, OPT_OVERWRITE, 0, 0}, {"subbuf-size", 0, POPT_ARG_DOUBLE, 0, OPT_SUBBUF_SIZE, 0, 0}, {"num-subbuf", 0, POPT_ARG_INT, 0, OPT_NUM_SUBBUF, 0, 0}, {"switch-timer", 0, POPT_ARG_INT, 0, OPT_SWITCH_TIMER, 0, 0}, {"read-timer", 0, POPT_ARG_INT, 0, OPT_READ_TIMER, 0, 0}, + {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, {0, 0, 0, 0, 0, 0, 0} }; @@ -74,12 +83,17 @@ static void usage(FILE *ofp) fprintf(ofp, "usage: lttng enable-channel NAME[,NAME2,...] [options] [channel_options]\n"); fprintf(ofp, "\n"); fprintf(ofp, " -h, --help Show this help\n"); + fprintf(ofp, " --list-options Simple listing of options\n"); fprintf(ofp, " -s, --session Apply on session name\n"); fprintf(ofp, " -k, --kernel Apply on the kernel tracer\n"); +#if 0 fprintf(ofp, " -u, --userspace [CMD] Apply for the user-space tracer\n"); fprintf(ofp, " If no CMD, the domain used is UST global\n"); fprintf(ofp, " or else the domain is UST EXEC_NAME\n"); fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n"); +#else + fprintf(ofp, " -u, --userspace Apply for the user-space tracer\n"); +#endif fprintf(ofp, "\n"); fprintf(ofp, "Channel options:\n"); fprintf(ofp, " --discard Discard event when buffers are full%s\n", @@ -141,20 +155,14 @@ static int enable_channel(char *session_name) char *channel_name; struct lttng_domain dom; + /* Create lttng domain */ 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) { + } else if (opt_userspace) { dom.type = LTTNG_DOMAIN_UST; - } 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 (-k/--kernel or -u/--userspace)"); - ret = CMD_NOT_IMPLEMENTED; + ret = CMD_UNDEFINED; goto error; } @@ -253,6 +261,10 @@ int cmd_enable_channels(int argc, const char **argv) case OPT_USERSPACE: opt_userspace = 1; break; + case OPT_LIST_OPTIONS: + list_cmd_options(stdout, long_options); + ret = CMD_SUCCESS; + goto end; default: usage(stderr); ret = CMD_UNDEFINED;