diff options
Diffstat (limited to 'testing/lttng-tools/0010-Set-thread-stack-size-to-ulimit-soft-value.patch')
-rw-r--r-- | testing/lttng-tools/0010-Set-thread-stack-size-to-ulimit-soft-value.patch | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/testing/lttng-tools/0010-Set-thread-stack-size-to-ulimit-soft-value.patch b/testing/lttng-tools/0010-Set-thread-stack-size-to-ulimit-soft-value.patch deleted file mode 100644 index dc6a7dda5e..0000000000 --- a/testing/lttng-tools/0010-Set-thread-stack-size-to-ulimit-soft-value.patch +++ /dev/null @@ -1,427 +0,0 @@ -From 451f4d875537c073a966d6ccfb2fe08a497fbd7b Mon Sep 17 00:00:00 2001 -From: Michael Jeanson <mjeanson@efficios.com> -Date: Wed, 15 Jun 2016 11:01:08 -0500 -Subject: [PATCH lttng-tools 3/3] Set thread stack size to ulimit soft value - -Signed-off-by: Michael Jeanson <mjeanson@efficios.com> ---- - src/bin/lttng-consumerd/lttng-consumerd.c | 17 ++++++---- - src/bin/lttng-relayd/live.c | 10 +++--- - src/bin/lttng-relayd/live.h | 2 +- - src/bin/lttng-relayd/main.c | 14 +++++--- - src/bin/lttng-sessiond/main.c | 27 +++++++++------ - src/common/utils.c | 56 +++++++++++++++++++++++++++++++ - src/common/utils.h | 1 + - 7 files changed, 99 insertions(+), 28 deletions(-) - -diff --git a/src/bin/lttng-consumerd/lttng-consumerd.c b/src/bin/lttng-consumerd/lttng-consumerd.c -index 00660fc..2f1d01c 100644 ---- a/src/bin/lttng-consumerd/lttng-consumerd.c -+++ b/src/bin/lttng-consumerd/lttng-consumerd.c -@@ -57,6 +57,8 @@ - static pthread_t channel_thread, data_thread, metadata_thread, - sessiond_thread, metadata_timer_thread, health_thread; - -+static pthread_attr_t *tattr; -+ - /* to count the number of times the user pressed ctrl+c */ - static int sigintcount = 0; - -@@ -351,6 +353,9 @@ int main(int argc, char **argv) - } - } - -+ /* Get stacksize limit */ -+ tattr = get_pthread_attr_stacksize(); -+ - /* - * Starting from here, we can create threads. This needs to be after - * lttng_daemonize due to RCU. -@@ -498,7 +503,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage the client socket */ -- ret = pthread_create(&health_thread, NULL, -+ ret = pthread_create(&health_thread, tattr, - thread_manage_health, (void *) NULL); - if (ret) { - errno = ret; -@@ -517,7 +522,7 @@ int main(int argc, char **argv) - cmm_smp_mb(); /* Read ready before following operations */ - - /* Create thread to manage channels */ -- ret = pthread_create(&channel_thread, NULL, -+ ret = pthread_create(&channel_thread, tattr, - consumer_thread_channel_poll, - (void *) ctx); - if (ret) { -@@ -528,7 +533,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage the polling/writing of trace metadata */ -- ret = pthread_create(&metadata_thread, NULL, -+ ret = pthread_create(&metadata_thread, tattr, - consumer_thread_metadata_poll, - (void *) ctx); - if (ret) { -@@ -539,7 +544,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage the polling/writing of trace data */ -- ret = pthread_create(&data_thread, NULL, consumer_thread_data_poll, -+ ret = pthread_create(&data_thread, tattr, consumer_thread_data_poll, - (void *) ctx); - if (ret) { - errno = ret; -@@ -549,7 +554,7 @@ int main(int argc, char **argv) - } - - /* Create the thread to manage the receive of fd */ -- ret = pthread_create(&sessiond_thread, NULL, -+ ret = pthread_create(&sessiond_thread, tattr, - consumer_thread_sessiond_poll, - (void *) ctx); - if (ret) { -@@ -563,7 +568,7 @@ int main(int argc, char **argv) - * Create the thread to manage the UST metadata periodic timer and - * live timer. - */ -- ret = pthread_create(&metadata_timer_thread, NULL, -+ ret = pthread_create(&metadata_timer_thread, tattr, - consumer_timer_thread, (void *) ctx); - if (ret) { - errno = ret; -diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c -index e2096ec..32efab1 100644 ---- a/src/bin/lttng-relayd/live.c -+++ b/src/bin/lttng-relayd/live.c -@@ -2147,13 +2147,13 @@ int relayd_live_join(void) - /* - * main - */ --int relayd_live_create(struct lttng_uri *uri) -+int relayd_live_create(struct lttng_uri *uri, const pthread_attr_t *tattr) - { - int ret = 0, retval = 0; - void *status; - int is_root; - -- if (!uri) { -+ if (!uri || !tattr) { - retval = -1; - goto exit_init_data; - } -@@ -2186,7 +2186,7 @@ int relayd_live_create(struct lttng_uri *uri) - } - - /* Setup the dispatcher thread */ -- ret = pthread_create(&live_dispatcher_thread, NULL, -+ ret = pthread_create(&live_dispatcher_thread, tattr, - thread_dispatcher, (void *) NULL); - if (ret) { - errno = ret; -@@ -2196,7 +2196,7 @@ int relayd_live_create(struct lttng_uri *uri) - } - - /* Setup the worker thread */ -- ret = pthread_create(&live_worker_thread, NULL, -+ ret = pthread_create(&live_worker_thread, tattr, - thread_worker, NULL); - if (ret) { - errno = ret; -@@ -2206,7 +2206,7 @@ int relayd_live_create(struct lttng_uri *uri) - } - - /* Setup the listener thread */ -- ret = pthread_create(&live_listener_thread, NULL, -+ ret = pthread_create(&live_listener_thread, tattr, - thread_listener, (void *) NULL); - if (ret) { - errno = ret; -diff --git a/src/bin/lttng-relayd/live.h b/src/bin/lttng-relayd/live.h -index 2b8a3a0..6cd85e9 100644 ---- a/src/bin/lttng-relayd/live.h -+++ b/src/bin/lttng-relayd/live.h -@@ -24,7 +24,7 @@ - - #include "lttng-relayd.h" - --int relayd_live_create(struct lttng_uri *live_uri); -+int relayd_live_create(struct lttng_uri *live_uri, const pthread_attr_t *tattr); - int relayd_live_stop(void); - int relayd_live_join(void); - -diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c -index 6ad6566..505e884 100644 ---- a/src/bin/lttng-relayd/main.c -+++ b/src/bin/lttng-relayd/main.c -@@ -119,6 +119,8 @@ static pthread_t dispatcher_thread; - static pthread_t worker_thread; - static pthread_t health_thread; - -+static pthread_attr_t *tattr; -+ - /* - * last_relay_stream_id_lock protects last_relay_stream_id increment - * atomicity on 32-bit architectures. -@@ -2778,6 +2780,8 @@ int main(int argc, char **argv) - } - } - -+ /* Get stack size limit */ -+ tattr = get_pthread_attr_stacksize(); - - /* Initialize thread health monitoring */ - health_relayd = health_app_create(NR_HEALTH_RELAYD_TYPES); -@@ -2840,7 +2844,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage the client socket */ -- ret = pthread_create(&health_thread, NULL, -+ ret = pthread_create(&health_thread, tattr, - thread_manage_health, (void *) NULL); - if (ret) { - errno = ret; -@@ -2850,7 +2854,7 @@ int main(int argc, char **argv) - } - - /* Setup the dispatcher thread */ -- ret = pthread_create(&dispatcher_thread, NULL, -+ ret = pthread_create(&dispatcher_thread, tattr, - relay_thread_dispatcher, (void *) NULL); - if (ret) { - errno = ret; -@@ -2860,7 +2864,7 @@ int main(int argc, char **argv) - } - - /* Setup the worker thread */ -- ret = pthread_create(&worker_thread, NULL, -+ ret = pthread_create(&worker_thread, tattr, - relay_thread_worker, NULL); - if (ret) { - errno = ret; -@@ -2870,7 +2874,7 @@ int main(int argc, char **argv) - } - - /* Setup the listener thread */ -- ret = pthread_create(&listener_thread, NULL, -+ ret = pthread_create(&listener_thread, tattr, - relay_thread_listener, (void *) NULL); - if (ret) { - errno = ret; -@@ -2879,7 +2883,7 @@ int main(int argc, char **argv) - goto exit_listener_thread; - } - -- ret = relayd_live_create(live_uri); -+ ret = relayd_live_create(live_uri, tattr); - if (ret) { - ERR("Starting live viewer threads"); - retval = -1; -diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c -index c8e4e53..b8f1bde 100644 ---- a/src/bin/lttng-sessiond/main.c -+++ b/src/bin/lttng-sessiond/main.c -@@ -212,6 +212,8 @@ static pthread_t ht_cleanup_thread; - static pthread_t agent_reg_thread; - static pthread_t load_session_thread; - -+static pthread_attr_t *tattr; -+ - /* - * UST registration command queue. This queue is tied with a futex and uses a N - * wakers / 1 waiter implemented and detailed in futex.c/.h -@@ -2402,7 +2404,7 @@ static int spawn_consumer_thread(struct consumer_data *consumer_data) - goto error; - } - -- ret = pthread_create(&consumer_data->thread, NULL, thread_manage_consumer, -+ ret = pthread_create(&consumer_data->thread, tattr, thread_manage_consumer, - consumer_data); - if (ret) { - errno = ret; -@@ -5638,6 +5640,9 @@ int main(int argc, char **argv) - goto exit_create_run_as_worker_cleanup; - } - -+ /* Get stack size limit */ -+ tattr = get_pthread_attr_stacksize(); -+ - /* - * Starting from here, we can create threads. This needs to be after - * lttng_daemonize due to RCU. -@@ -5672,7 +5677,7 @@ int main(int argc, char **argv) - } - - /* Create thread to clean up RCU hash tables */ -- ret = pthread_create(&ht_cleanup_thread, NULL, -+ ret = pthread_create(&ht_cleanup_thread, tattr, - thread_ht_cleanup, (void *) NULL); - if (ret) { - errno = ret; -@@ -6044,7 +6049,7 @@ int main(int argc, char **argv) - load_info->path = opt_load_session_path; - - /* Create health-check thread */ -- ret = pthread_create(&health_thread, NULL, -+ ret = pthread_create(&health_thread, tattr, - thread_manage_health, (void *) NULL); - if (ret) { - errno = ret; -@@ -6054,7 +6059,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage the client socket */ -- ret = pthread_create(&client_thread, NULL, -+ ret = pthread_create(&client_thread, tattr, - thread_manage_clients, (void *) NULL); - if (ret) { - errno = ret; -@@ -6064,7 +6069,7 @@ int main(int argc, char **argv) - } - - /* Create thread to dispatch registration */ -- ret = pthread_create(&dispatch_thread, NULL, -+ ret = pthread_create(&dispatch_thread, tattr, - thread_dispatch_ust_registration, (void *) NULL); - if (ret) { - errno = ret; -@@ -6074,7 +6079,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage application registration. */ -- ret = pthread_create(®_apps_thread, NULL, -+ ret = pthread_create(®_apps_thread, tattr, - thread_registration_apps, (void *) NULL); - if (ret) { - errno = ret; -@@ -6084,7 +6089,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage application socket */ -- ret = pthread_create(&apps_thread, NULL, -+ ret = pthread_create(&apps_thread, tattr, - thread_manage_apps, (void *) NULL); - if (ret) { - errno = ret; -@@ -6094,7 +6099,7 @@ int main(int argc, char **argv) - } - - /* Create thread to manage application notify socket */ -- ret = pthread_create(&apps_notify_thread, NULL, -+ ret = pthread_create(&apps_notify_thread, tattr, - ust_thread_manage_notify, (void *) NULL); - if (ret) { - errno = ret; -@@ -6104,7 +6109,7 @@ int main(int argc, char **argv) - } - - /* Create agent registration thread. */ -- ret = pthread_create(&agent_reg_thread, NULL, -+ ret = pthread_create(&agent_reg_thread, tattr, - agent_thread_manage_registration, (void *) NULL); - if (ret) { - errno = ret; -@@ -6116,7 +6121,7 @@ int main(int argc, char **argv) - /* Don't start this thread if kernel tracing is not requested nor root */ - if (is_root && !opt_no_kernel) { - /* Create kernel thread to manage kernel event */ -- ret = pthread_create(&kernel_thread, NULL, -+ ret = pthread_create(&kernel_thread, tattr, - thread_manage_kernel, (void *) NULL); - if (ret) { - errno = ret; -@@ -6127,7 +6132,7 @@ int main(int argc, char **argv) - } - - /* Create session loading thread. */ -- ret = pthread_create(&load_session_thread, NULL, thread_load_session, -+ ret = pthread_create(&load_session_thread, tattr, thread_load_session, - load_info); - if (ret) { - errno = ret; -diff --git a/src/common/utils.c b/src/common/utils.c -index 1e52ae0..593d6cc 100644 ---- a/src/common/utils.c -+++ b/src/common/utils.c -@@ -31,6 +31,8 @@ - #include <pwd.h> - #include <sys/file.h> - #include <unistd.h> -+#include <stdbool.h> -+#include <sys/resource.h> - - #include <common/common.h> - #include <common/runas.h> -@@ -1383,3 +1385,57 @@ int utils_show_man_page(int section, const char *page_name) - section_string, page_name, NULL); - return ret; - } -+ -+static bool pthread_ss_done = false; -+static pthread_attr_t *tattr = NULL; -+static pthread_attr_t tattr_value; -+ -+LTTNG_HIDDEN -+pthread_attr_t *get_pthread_attr_stacksize() { -+ int ret = 0; -+ size_t ptstacksize; -+ struct rlimit rlim; -+ -+ /* Return cached value */ -+ if (pthread_ss_done) { -+ goto end; -+ } -+ -+ /* Get stack size limits */ -+ ret = getrlimit(RLIMIT_STACK, &rlim); -+ if (ret < 0) { -+ PERROR("getrlimit"); -+ goto end; -+ } -+ DBG("Stack size limits: soft %lld, hard %lld bytes", -+ (long long) rlim.rlim_cur, -+ (long long) rlim.rlim_max); -+ -+ /* Get default thread stack size */ -+ ret = pthread_attr_getstacksize(&tattr_value, &ptstacksize); -+ if (ret < 0) { -+ PERROR("pthread_attr_getstacksize"); -+ goto end; -+ } -+ DBG("Default pthread stack size is %zu bytes", ptstacksize); -+ -+ /* Check if default thread stack size respects ulimits */ -+ if (ptstacksize < rlim.rlim_cur) { -+ DBG("Your libc doesn't honor stack size limits, setting thread stack size to soft limit (%lld bytes)", (long long) rlim.rlim_cur); -+ -+ /* Create pthread_attr_t struct with ulimit stack size */ -+ ret = pthread_attr_setstacksize(&tattr_value, rlim.rlim_cur); -+ if (ret < 0) { -+ PERROR("pthread_attr_setstacksize"); -+ goto end; -+ } -+ -+ /* Set pointer */ -+ tattr = &tattr_value; -+ } -+ -+ /* Enable cached value */ -+ pthread_ss_done = true; -+end: -+ return tattr; -+} -diff --git a/src/common/utils.h b/src/common/utils.h -index 7285f5c..568c123 100644 ---- a/src/common/utils.h -+++ b/src/common/utils.h -@@ -60,5 +60,6 @@ int utils_create_lock_file(const char *filepath); - int utils_recursive_rmdir(const char *path); - int utils_truncate_stream_file(int fd, off_t length); - int utils_show_man_page(int section, const char *page_name); -+pthread_attr_t *get_pthread_attr_stacksize(); - - #endif /* _COMMON_UTILS_H */ --- -2.7.4 - |