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Diffstat (limited to 'src/libnetdata/locks/README.md')
| -rw-r--r-- | src/libnetdata/locks/README.md | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/src/libnetdata/locks/README.md b/src/libnetdata/locks/README.md index 35d602f2a..25916b002 100644 --- a/src/libnetdata/locks/README.md +++ b/src/libnetdata/locks/README.md @@ -1,12 +1,3 @@ -<!-- -title: "Locks" -custom_edit_url: https://github.com/netdata/netdata/edit/master/src/libnetdata/locks/README.md -sidebar_label: "Locks" -learn_status: "Published" -learn_topic_type: "Tasks" -learn_rel_path: "Developers/libnetdata" ---> - # Locks ## How to trace netdata locks @@ -58,13 +49,13 @@ If any call is expected to pause the caller (ie the caller is attempting a read ``` RW_LOCK ON LOCK 0x0x5651c9fcce20: 4190039 'HEALTH' (function health_execute_pending_updates() 661@health/health.c) WANTS a 'W' lock (while holding 1 rwlocks and 1 mutexes). There are 7 readers and 0 writers are holding the lock: - => 1: RW_LOCK: process 4190091 'WEB_SERVER[static14]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709847 usec. - => 2: RW_LOCK: process 4190079 'WEB_SERVER[static6]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709869 usec. - => 3: RW_LOCK: process 4190084 'WEB_SERVER[static10]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709948 usec. - => 4: RW_LOCK: process 4190076 'WEB_SERVER[static3]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710190 usec. - => 5: RW_LOCK: process 4190092 'WEB_SERVER[static15]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710195 usec. - => 6: RW_LOCK: process 4190077 'WEB_SERVER[static4]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710208 usec. - => 7: RW_LOCK: process 4190044 'WEB_SERVER[static1]' (function web_client_api_request_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710221 usec. + => 1: RW_LOCK: process 4190091 'WEB_SERVER[static14]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709847 usec. + => 2: RW_LOCK: process 4190079 'WEB_SERVER[static6]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709869 usec. + => 3: RW_LOCK: process 4190084 'WEB_SERVER[static10]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 709948 usec. + => 4: RW_LOCK: process 4190076 'WEB_SERVER[static3]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710190 usec. + => 5: RW_LOCK: process 4190092 'WEB_SERVER[static15]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710195 usec. + => 6: RW_LOCK: process 4190077 'WEB_SERVER[static4]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710208 usec. + => 7: RW_LOCK: process 4190044 'WEB_SERVER[static1]' (function api_v1_data() 526@web/api/web_api_v1.c) is having 1 'R' lock for 710221 usec. ``` And each of the above is paired with a `GOT` log, like this: |