+++ /dev/null
-/*
- * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#define _LGPL_SOURCE
-#include <popt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <ctype.h>
-
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/utils.h>
-#include <common/mi-lttng.h>
-
-#include <lttng/domain-internal.h>
-
-#include "../command.h"
-#include "../utils.h"
-
-
-static struct lttng_channel chan_opts;
-static char *opt_channels;
-static int opt_kernel;
-static char *opt_session_name;
-static int opt_userspace;
-static char *opt_output;
-static int opt_buffer_uid;
-static int opt_buffer_pid;
-static int opt_buffer_global;
-static struct {
- bool set;
- uint64_t interval;
-} opt_monitor_timer;
-static struct {
- bool set;
- int64_t value;
-} opt_blocking_timeout;
-
-static struct mi_writer *writer;
-
-#ifdef LTTNG_EMBED_HELP
-static const char help_msg[] =
-#include <lttng-enable-channel.1.h>
-;
-#endif
-
-enum {
- OPT_HELP = 1,
- OPT_DISCARD,
- OPT_OVERWRITE,
- OPT_SUBBUF_SIZE,
- OPT_NUM_SUBBUF,
- OPT_SWITCH_TIMER,
- OPT_MONITOR_TIMER,
- OPT_READ_TIMER,
- OPT_USERSPACE,
- OPT_LIST_OPTIONS,
- OPT_TRACEFILE_SIZE,
- OPT_TRACEFILE_COUNT,
- OPT_BLOCKING_TIMEOUT,
-};
-
-static struct lttng_handle *handle;
-
-const char *output_mmap = "mmap";
-const char *output_splice = "splice";
-
-static struct poptOption long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- {"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},
- {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0},
- {"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_STRING, 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},
- {"monitor-timer", 0, POPT_ARG_INT, 0, OPT_MONITOR_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},
- {"output", 0, POPT_ARG_STRING, &opt_output, 0, 0, 0},
- {"buffers-uid", 0, POPT_ARG_VAL, &opt_buffer_uid, 1, 0, 0},
- {"buffers-pid", 0, POPT_ARG_VAL, &opt_buffer_pid, 1, 0, 0},
- {"buffers-global", 0, POPT_ARG_VAL, &opt_buffer_global, 1, 0, 0},
- {"tracefile-size", 'C', POPT_ARG_INT, 0, OPT_TRACEFILE_SIZE, 0, 0},
- {"tracefile-count", 'W', POPT_ARG_INT, 0, OPT_TRACEFILE_COUNT, 0, 0},
- {"blocking-timeout", 0, POPT_ARG_INT, 0, OPT_BLOCKING_TIMEOUT, 0, 0},
- {0, 0, 0, 0, 0, 0, 0}
-};
-
-/*
- * Set default attributes depending on those already defined from the command
- * line.
- */
-static void set_default_attr(struct lttng_domain *dom)
-{
- struct lttng_channel_attr default_attr;
-
- memset(&default_attr, 0, sizeof(default_attr));
-
- /* Set attributes */
- lttng_channel_set_default_attr(dom, &default_attr);
-
- if (chan_opts.attr.overwrite == -1) {
- chan_opts.attr.overwrite = default_attr.overwrite;
- }
- if (chan_opts.attr.subbuf_size == -1) {
- chan_opts.attr.subbuf_size = default_attr.subbuf_size;
- }
- if (chan_opts.attr.num_subbuf == -1) {
- chan_opts.attr.num_subbuf = default_attr.num_subbuf;
- }
- if (chan_opts.attr.switch_timer_interval == -1) {
- chan_opts.attr.switch_timer_interval = default_attr.switch_timer_interval;
- }
- if (chan_opts.attr.read_timer_interval == -1) {
- chan_opts.attr.read_timer_interval = default_attr.read_timer_interval;
- }
- if ((int) chan_opts.attr.output == -1) {
- chan_opts.attr.output = default_attr.output;
- }
- if (chan_opts.attr.tracefile_count == -1) {
- chan_opts.attr.tracefile_count = default_attr.tracefile_count;
- }
- if (chan_opts.attr.tracefile_size == -1) {
- chan_opts.attr.tracefile_size = default_attr.tracefile_size;
- }
-}
-
-/*
- * Adding channel using the lttng API.
- */
-static int enable_channel(char *session_name)
-{
- struct lttng_channel *channel = NULL;
- int ret = CMD_SUCCESS, warn = 0, error = 0, success = 0;
- char *channel_name;
- struct lttng_domain dom;
-
- memset(&dom, 0, sizeof(dom));
-
- /* Validate options. */
- if (opt_kernel) {
- if (opt_blocking_timeout.set) {
- ERR("Retry timeout option not supported for kernel domain (-k)");
- ret = CMD_ERROR;
- goto error;
- }
- }
-
- /* Create lttng domain */
- if (opt_kernel) {
- dom.type = LTTNG_DOMAIN_KERNEL;
- dom.buf_type = LTTNG_BUFFER_GLOBAL;
- if (opt_buffer_uid || opt_buffer_pid) {
- ERR("Buffer type not supported for domain -k");
- ret = CMD_ERROR;
- goto error;
- }
- } else if (opt_userspace) {
- dom.type = LTTNG_DOMAIN_UST;
- if (opt_buffer_pid) {
- dom.buf_type = LTTNG_BUFFER_PER_PID;
- } else {
- if (opt_buffer_global) {
- ERR("Buffer type not supported for domain -u");
- ret = CMD_ERROR;
- goto error;
- }
- dom.buf_type = LTTNG_BUFFER_PER_UID;
- }
- } else {
- /* Checked by the caller. */
- abort();
- }
-
- set_default_attr(&dom);
-
- if (chan_opts.attr.tracefile_size == 0 && chan_opts.attr.tracefile_count) {
- ERR("Missing option --tracefile-size. "
- "A file count without a size won't do anything.");
- ret = CMD_ERROR;
- goto error;
- }
-
- if ((chan_opts.attr.tracefile_size > 0) &&
- (chan_opts.attr.tracefile_size < chan_opts.attr.subbuf_size)) {
- WARN("Tracefile size rounded up from (%" PRIu64 ") to subbuffer size (%" PRIu64 ")",
- chan_opts.attr.tracefile_size, chan_opts.attr.subbuf_size);
- chan_opts.attr.tracefile_size = chan_opts.attr.subbuf_size;
- }
-
- /* Setting channel output */
- if (opt_output) {
- if (!strncmp(output_mmap, opt_output, strlen(output_mmap))) {
- chan_opts.attr.output = LTTNG_EVENT_MMAP;
- } else if (!strncmp(output_splice, opt_output, strlen(output_splice))) {
- chan_opts.attr.output = LTTNG_EVENT_SPLICE;
- } else {
- ERR("Unknown output type %s. Possible values are: %s, %s\n",
- opt_output, output_mmap, output_splice);
- ret = CMD_ERROR;
- goto error;
- }
- }
-
- handle = lttng_create_handle(session_name, &dom);
- if (handle == NULL) {
- ret = -1;
- goto error;
- }
-
- /* Mi open channels element */
- if (lttng_opt_mi) {
- LTTNG_ASSERT(writer);
- ret = mi_lttng_channels_open(writer);
- if (ret) {
- ret = CMD_ERROR;
- goto error;
- }
- }
-
- /* Strip channel list (format: chan1,chan2,...) */
- channel_name = strtok(opt_channels, ",");
- while (channel_name != NULL) {
- void *extended_ptr;
-
- /* Validate channel name's length */
- if (strlen(channel_name) >= sizeof(chan_opts.name)) {
- ERR("Channel name is too long (max. %zu characters)",
- sizeof(chan_opts.name) - 1);
- error = 1;
- goto skip_enable;
- }
-
- /*
- * A dynamically-allocated channel is used in order to allow
- * the configuration of extended attributes (post-2.9).
- */
- channel = lttng_channel_create(&dom);
- if (!channel) {
- ERR("Unable to create channel object");
- error = 1;
- goto error;
- }
-
- /* Copy channel name */
- strcpy(channel->name, channel_name);
- channel->enabled = 1;
- extended_ptr = channel->attr.extended.ptr;
- memcpy(&channel->attr, &chan_opts.attr, sizeof(chan_opts.attr));
- channel->attr.extended.ptr = extended_ptr;
- if (opt_monitor_timer.set) {
- ret = lttng_channel_set_monitor_timer_interval(channel,
- opt_monitor_timer.interval);
- if (ret) {
- ERR("Failed to set the channel's monitor timer interval");
- error = 1;
- goto error;
- }
- }
- if (opt_blocking_timeout.set) {
- ret = lttng_channel_set_blocking_timeout(channel,
- opt_blocking_timeout.value);
- if (ret) {
- ERR("Failed to set the channel's blocking timeout");
- error = 1;
- goto error;
- }
- }
-
- DBG("Enabling channel %s", channel_name);
-
- ret = lttng_enable_channel(handle, channel);
- if (ret < 0) {
- success = 0;
- switch (-ret) {
- case LTTNG_ERR_KERN_CHAN_EXIST:
- case LTTNG_ERR_UST_CHAN_EXIST:
- case LTTNG_ERR_CHAN_EXIST:
- WARN("Channel %s: %s (session %s)", channel_name,
- lttng_strerror(ret), session_name);
- warn = 1;
- break;
- case LTTNG_ERR_INVALID_CHANNEL_NAME:
- ERR("Invalid channel name: \"%s\". "
- "Channel names may not start with '.', and "
- "may not contain '/'.", channel_name);
- error = 1;
- break;
- default:
- ERR("Channel %s: %s (session %s)", channel_name,
- lttng_strerror(ret), session_name);
- error = 1;
- break;
- }
- } else {
- MSG("%s channel %s enabled for session %s",
- lttng_domain_type_str(dom.type),
- channel_name, session_name);
- success = 1;
- }
-
-skip_enable:
- if (lttng_opt_mi) {
- /* Mi print the channel element and leave it open */
- ret = mi_lttng_channel(writer, channel, 1);
- if (ret) {
- ret = CMD_ERROR;
- goto error;
- }
-
- /* Individual Success ? */
- ret = mi_lttng_writer_write_element_bool(writer,
- mi_lttng_element_command_success, success);
- if (ret) {
- ret = CMD_ERROR;
- goto error;
- }
-
- /* Close channel element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- ret = CMD_ERROR;
- goto error;
- }
- }
-
- /* Next channel */
- channel_name = strtok(NULL, ",");
- lttng_channel_destroy(channel);
- channel = NULL;
- }
-
- if (lttng_opt_mi) {
- /* Close channels element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- ret = CMD_ERROR;
- goto error;
- }
- }
-
- ret = CMD_SUCCESS;
-
-error:
- if (channel) {
- lttng_channel_destroy(channel);
- }
- /* If more important error happen bypass the warning */
- if (!ret && warn) {
- ret = CMD_WARNING;
- }
- /* If more important error happen bypass the warning */
- if (!ret && error) {
- ret = CMD_ERROR;
- }
-
- lttng_destroy_handle(handle);
-
- return ret;
-}
-
-/*
- * Default value for channel configuration.
- */
-static void init_channel_config(void)
-{
- /*
- * Put -1 everywhere so we can identify those set by the command line and
- * those needed to be set by the default values.
- */
- memset(&chan_opts.attr, -1, sizeof(chan_opts.attr));
- chan_opts.attr.extended.ptr = NULL;
-}
-
-/*
- * Add channel to trace session
- */
-int cmd_enable_channels(int argc, const char **argv)
-{
- int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1;
- static poptContext pc;
- char *session_name = NULL;
- char *opt_arg = NULL;
- const char *leftover = NULL;
-
- init_channel_config();
-
- pc = poptGetContext(NULL, argc, argv, long_options, 0);
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) != -1) {
- switch (opt) {
- case OPT_HELP:
- SHOW_HELP();
- goto end;
- case OPT_DISCARD:
- chan_opts.attr.overwrite = 0;
- DBG("Channel set to discard");
- break;
- case OPT_OVERWRITE:
- chan_opts.attr.overwrite = 1;
- DBG("Channel set to overwrite");
- break;
- case OPT_SUBBUF_SIZE:
- {
- uint64_t rounded_size;
- int order;
-
- /* Parse the size */
- opt_arg = poptGetOptArg(pc);
- if (utils_parse_size_suffix(opt_arg, &chan_opts.attr.subbuf_size) < 0 || !chan_opts.attr.subbuf_size) {
- ERR("Wrong value in --subbuf-size parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- order = get_count_order_u64(chan_opts.attr.subbuf_size);
- LTTNG_ASSERT(order >= 0);
- rounded_size = 1ULL << order;
- if (rounded_size < chan_opts.attr.subbuf_size) {
- ERR("The subbuf size (%" PRIu64 ") is rounded and overflows!",
- chan_opts.attr.subbuf_size);
- ret = CMD_ERROR;
- goto end;
- }
-
- if (rounded_size != chan_opts.attr.subbuf_size) {
- WARN("The subbuf size (%" PRIu64 ") is rounded to the next power of 2 (%" PRIu64 ")",
- chan_opts.attr.subbuf_size, rounded_size);
- chan_opts.attr.subbuf_size = rounded_size;
- }
-
- /* Should now be power of 2 */
- LTTNG_ASSERT(!((chan_opts.attr.subbuf_size - 1) & chan_opts.attr.subbuf_size));
-
- DBG("Channel subbuf size set to %" PRIu64, chan_opts.attr.subbuf_size);
- break;
- }
- case OPT_NUM_SUBBUF:
- {
- uint64_t rounded_size;
- int order;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
- chan_opts.attr.num_subbuf = strtoull(opt_arg, NULL, 0);
- if (errno != 0 || !chan_opts.attr.num_subbuf || !isdigit(opt_arg[0])) {
- ERR("Wrong value in --num-subbuf parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- order = get_count_order_u64(chan_opts.attr.num_subbuf);
- LTTNG_ASSERT(order >= 0);
- rounded_size = 1ULL << order;
- if (rounded_size < chan_opts.attr.num_subbuf) {
- ERR("The number of subbuffers (%" PRIu64 ") is rounded and overflows!",
- chan_opts.attr.num_subbuf);
- ret = CMD_ERROR;
- goto end;
- }
-
- if (rounded_size != chan_opts.attr.num_subbuf) {
- WARN("The number of subbuffers (%" PRIu64 ") is rounded to the next power of 2 (%" PRIu64 ")",
- chan_opts.attr.num_subbuf, rounded_size);
- chan_opts.attr.num_subbuf = rounded_size;
- }
-
- /* Should now be power of 2 */
- LTTNG_ASSERT(!((chan_opts.attr.num_subbuf - 1) & chan_opts.attr.num_subbuf));
-
- DBG("Channel subbuf num set to %" PRIu64, chan_opts.attr.num_subbuf);
- break;
- }
- case OPT_SWITCH_TIMER:
- {
- uint64_t v;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
-
- if (utils_parse_time_suffix(opt_arg, &v) < 0) {
- ERR("Wrong value for --switch-timer parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- if (v != (uint32_t) v) {
- ERR("32-bit overflow in --switch-timer parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- chan_opts.attr.switch_timer_interval = (uint32_t) v;
- DBG("Channel switch timer interval set to %d %s",
- chan_opts.attr.switch_timer_interval,
- USEC_UNIT);
- break;
- }
- case OPT_READ_TIMER:
- {
- uint64_t v;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
-
- if (utils_parse_time_suffix(opt_arg, &v) < 0) {
- ERR("Wrong value for --read-timer parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- if (v != (uint32_t) v) {
- ERR("32-bit overflow in --read-timer parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- chan_opts.attr.read_timer_interval = (uint32_t) v;
- DBG("Channel read timer interval set to %d %s",
- chan_opts.attr.read_timer_interval,
- USEC_UNIT);
- break;
- }
- case OPT_MONITOR_TIMER:
- {
- uint64_t v;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
-
- if (utils_parse_time_suffix(opt_arg, &v) < 0) {
- ERR("Wrong value for --monitor-timer parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- opt_monitor_timer.interval = (uint64_t) v;
- opt_monitor_timer.set = true;
- DBG("Channel monitor timer interval set to %" PRIu64 " %s",
- opt_monitor_timer.interval,
- USEC_UNIT);
- break;
- }
- case OPT_BLOCKING_TIMEOUT:
- {
- uint64_t v;
- long long v_msec;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
-
- if (strcmp(opt_arg, "inf") == 0) {
- opt_blocking_timeout.value = (int64_t) -1;
- opt_blocking_timeout.set = true;
- DBG("Channel blocking timeout set to infinity");
- break;
- }
-
- if (utils_parse_time_suffix(opt_arg, &v) < 0) {
- ERR("Wrong value for --blocking-timeout parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- /*
- * While LTTng-UST and LTTng-tools will accept a
- * blocking timeout expressed in µs, the current
- * tracer implementation relies on poll() which
- * takes an "int timeout" parameter expressed in
- * msec.
- *
- * Since the error reporting from the tracer is
- * not precise, we perform this check here to
- * provide a helpful error message in case of
- * overflow.
- *
- * The setter (liblttng-ctl) also performs an
- * equivalent check.
- */
- v_msec = v / 1000;
- if (v_msec != (int32_t) v_msec) {
- ERR("32-bit milliseconds overflow in --blocking-timeout parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
-
- opt_blocking_timeout.value = (int64_t) v;
- opt_blocking_timeout.set = true;
- DBG("Channel blocking timeout set to %" PRId64 " %s%s",
- opt_blocking_timeout.value,
- USEC_UNIT,
- opt_blocking_timeout.value == 0 ?
- " (non-blocking)" : "");
- break;
- }
- case OPT_USERSPACE:
- opt_userspace = 1;
- break;
- case OPT_TRACEFILE_SIZE:
- opt_arg = poptGetOptArg(pc);
- if (utils_parse_size_suffix(opt_arg, &chan_opts.attr.tracefile_size) < 0) {
- ERR("Wrong value in --tracefile-size parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- DBG("Maximum tracefile size set to %" PRIu64,
- chan_opts.attr.tracefile_size);
- break;
- case OPT_TRACEFILE_COUNT:
- {
- unsigned long v;
-
- errno = 0;
- opt_arg = poptGetOptArg(pc);
- v = strtoul(opt_arg, NULL, 0);
- if (errno != 0 || !isdigit(opt_arg[0])) {
- ERR("Wrong value in --tracefile-count parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- if (v != (uint32_t) v) {
- ERR("32-bit overflow in --tracefile-count parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- chan_opts.attr.tracefile_count = (uint32_t) v;
- DBG("Maximum tracefile count set to %" PRIu64,
- chan_opts.attr.tracefile_count);
- break;
- }
- case OPT_LIST_OPTIONS:
- list_cmd_options(stdout, long_options);
- goto end;
- default:
- ret = CMD_UNDEFINED;
- goto end;
- }
- }
-
- ret = print_missing_or_multiple_domains(
- opt_kernel + opt_userspace, false);
- if (ret) {
- ret = CMD_ERROR;
- goto end;
- }
-
- if (chan_opts.attr.overwrite == 1 && opt_blocking_timeout.set &&
- opt_blocking_timeout.value != 0) {
- ERR("You cannot specify --overwrite and --blocking-timeout=N, "
- "where N is different than 0");
- ret = CMD_ERROR;
- goto end;
- }
-
- /* Mi check */
- if (lttng_opt_mi) {
- writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi);
- if (!writer) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- /* Open command element */
- ret = mi_lttng_writer_command_open(writer,
- mi_lttng_element_command_enable_channels);
- if (ret) {
- ret = CMD_ERROR;
- goto end;
- }
-
- /* Open output element */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_command_output);
- if (ret) {
- ret = CMD_ERROR;
- goto end;
- }
- }
-
- opt_channels = (char*) poptGetArg(pc);
- if (opt_channels == NULL) {
- ERR("Missing channel name.\n");
- ret = CMD_ERROR;
- success = 0;
- goto mi_closing;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- ERR("Unknown argument: %s", leftover);
- ret = CMD_ERROR;
- success = 0;
- goto mi_closing;
- }
-
- if (!opt_session_name) {
- session_name = get_session_name();
- if (session_name == NULL) {
- command_ret = CMD_ERROR;
- success = 0;
- goto mi_closing;
- }
- } else {
- session_name = opt_session_name;
- }
-
- command_ret = enable_channel(session_name);
- if (command_ret) {
- success = 0;
- }
-
-mi_closing:
- /* Mi closing */
- if (lttng_opt_mi) {
- /* Close output element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
-
- /* Success ? */
- ret = mi_lttng_writer_write_element_bool(writer,
- mi_lttng_element_command_success, success);
- if (ret) {
- goto end;
- }
-
- /* Command element close */
- ret = mi_lttng_writer_command_close(writer);
- if (ret) {
- goto end;
- }
- }
-
-end:
- /* Mi clean-up */
- if (writer && mi_lttng_writer_destroy(writer)) {
- /* Preserve original error code */
- ret = ret ? ret : LTTNG_ERR_MI_IO_FAIL;
- }
-
- if (!opt_session_name && session_name) {
- free(session_name);
- }
-
- /* Overwrite ret if an error occurred when enable_channel */
- ret = command_ret ? command_ret : ret;
- poptFreeContext(pc);
- return ret;
-}
projects / lttng-tools.git / blobdiff