X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fdestroy.c;fp=src%2Fbin%2Flttng%2Fcommands%2Fdestroy.c;h=87231858f96ded25cb05c189b1c0464dc2f09c3f;hp=f74bf515c79ae44c7668e8cd674156ce24159da0;hb=e20ee7c273030ac52eea4778f03dc3a9d65857b3;hpb=9db24cffc667e0833e8c82e687e3f910b1a1e54e diff --git a/src/bin/lttng/commands/destroy.c b/src/bin/lttng/commands/destroy.c index f74bf515c..87231858f 100644 --- a/src/bin/lttng/commands/destroy.c +++ b/src/bin/lttng/commands/destroy.c @@ -32,6 +32,7 @@ static char *opt_session_name; static int opt_destroy_all; +static int opt_no_wait; /* Mi writer */ static struct mi_writer *writer; @@ -46,6 +47,7 @@ static struct poptOption long_options[] = { {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, {"all", 'a', POPT_ARG_VAL, &opt_destroy_all, 1, 0, 0}, {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, + {"no-wait", 'n', POPT_ARG_VAL, &opt_no_wait, 1, 0, 0}, {0, 0, 0, 0, 0, 0, 0} }; @@ -63,6 +65,7 @@ static void usage(FILE *ofp) fprintf(ofp, " -h, --help Show this help\n"); fprintf(ofp, " -a, --all Destroy all sessions\n"); fprintf(ofp, " --list-options Simple listing of options\n"); + fprintf(ofp, " -n, --no-wait Don't wait for data availability\n"); fprintf(ofp, "\n"); } @@ -77,16 +80,35 @@ static int destroy_session(struct lttng_session *session) int ret; char *session_name = NULL; - ret = lttng_destroy_session(session->name); + ret = lttng_stop_tracing_no_wait(session->name); + if (ret < 0 && ret != -LTTNG_ERR_TRACE_ALREADY_STOPPED) { + ERR("%s", lttng_strerror(ret)); + } + if (!opt_no_wait) { + _MSG("Waiting for data availability"); + fflush(stdout); + do { + ret = lttng_data_pending(session->name); + if (ret < 0) { + /* Return the data available call error. */ + goto error; + } + + /* + * Data sleep time before retrying (in usec). Don't sleep if the call + * returned value indicates availability. + */ + if (ret) { + usleep(DEFAULT_DATA_AVAILABILITY_WAIT_TIME); + _MSG("."); + fflush(stdout); + } + } while (ret != 0); + MSG(""); + } + + ret = lttng_destroy_session_no_wait(session->name); if (ret < 0) { - switch (-ret) { - case LTTNG_ERR_SESS_NOT_FOUND: - WARN("Session name %s not found", session->name); - break; - default: - ERR("%s", lttng_strerror(ret)); - break; - } goto error; }