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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-12-05 16:29:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-12-05 16:31:00 +0000 |
commit | 89b68730a8a23e3393f0fe9623ac6ec4480021a1 (patch) | |
tree | 2fdf1b5447ffd8bdd61e702ca183e814afdcb4fc /libnetdata/worker_utilization/worker_utilization.c | |
parent | Adding upstream version 1.37.0. (diff) | |
download | netdata-89b68730a8a23e3393f0fe9623ac6ec4480021a1.tar.xz netdata-89b68730a8a23e3393f0fe9623ac6ec4480021a1.zip |
Adding upstream version 1.37.1.upstream/1.37.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libnetdata/worker_utilization/worker_utilization.c')
-rw-r--r-- | libnetdata/worker_utilization/worker_utilization.c | 94 |
1 files changed, 63 insertions, 31 deletions
diff --git a/libnetdata/worker_utilization/worker_utilization.c b/libnetdata/worker_utilization/worker_utilization.c index 14b8926e0..afaff209b 100644 --- a/libnetdata/worker_utilization/worker_utilization.c +++ b/libnetdata/worker_utilization/worker_utilization.c @@ -44,35 +44,55 @@ struct worker { struct worker *prev; }; -static netdata_mutex_t workers_base_lock = NETDATA_MUTEX_INITIALIZER; -static __thread struct worker *worker = NULL; -static Pvoid_t workers_per_workname_JudyHS_array = NULL; +struct workers_workname { // this is what we add to JudyHS + SPINLOCK spinlock; + struct worker *base; +}; + +static struct workers_globals { + SPINLOCK spinlock; + Pvoid_t worknames_JudyHS; + +} workers_globals = { // workers globals, the base of all worknames + .spinlock = NETDATA_SPINLOCK_INITIALIZER, // a lock for the worknames index + .worknames_JudyHS = NULL, // the worknames index +}; -void worker_register(const char *workname) { +static __thread struct worker *worker = NULL; // the current thread worker + +void worker_register(const char *name) { if(unlikely(worker)) return; worker = callocz(1, sizeof(struct worker)); worker->pid = gettid(); worker->tag = strdupz(netdata_thread_tag()); - worker->workname = strdupz(workname); + worker->workname = strdupz(name); usec_t now = now_monotonic_usec(); worker->statistics_last_checkpoint = now; worker->last_action_timestamp = now; worker->last_action = WORKER_IDLE; - size_t workname_size = strlen(workname) + 1; - netdata_mutex_lock(&workers_base_lock); + size_t name_size = strlen(name) + 1; + netdata_spinlock_lock(&workers_globals.spinlock); - Pvoid_t *PValue = JudyHSGet(workers_per_workname_JudyHS_array, (void *)workname, workname_size); + Pvoid_t *PValue = JudyHSGet(workers_globals.worknames_JudyHS, (void *)name, name_size); if(!PValue) - PValue = JudyHSIns(&workers_per_workname_JudyHS_array, (void *)workname, workname_size, PJE0); + PValue = JudyHSIns(&workers_globals.worknames_JudyHS, (void *)name, name_size, PJE0); + + struct workers_workname *workname = *PValue; + if(!workname) { + workname = mallocz(sizeof(struct workers_workname)); + workname->spinlock = NETDATA_SPINLOCK_INITIALIZER; + workname->base = NULL; + *PValue = workname; + } - struct worker *base = *PValue; - DOUBLE_LINKED_LIST_APPEND_UNSAFE(base, worker, prev, next); - *PValue = base; + netdata_spinlock_lock(&workname->spinlock); + DOUBLE_LINKED_LIST_APPEND_UNSAFE(workname->base, worker, prev, next); + netdata_spinlock_unlock(&workname->spinlock); - netdata_mutex_unlock(&workers_base_lock); + netdata_spinlock_unlock(&workers_globals.spinlock); } void worker_register_job_custom_metric(size_t job_id, const char *name, const char *units, WORKER_METRIC_TYPE type) { @@ -105,17 +125,20 @@ void worker_unregister(void) { if(unlikely(!worker)) return; size_t workname_size = strlen(worker->workname) + 1; - netdata_mutex_lock(&workers_base_lock); - Pvoid_t *PValue = JudyHSGet(workers_per_workname_JudyHS_array, (void *)worker->workname, workname_size); + netdata_spinlock_lock(&workers_globals.spinlock); + Pvoid_t *PValue = JudyHSGet(workers_globals.worknames_JudyHS, (void *)worker->workname, workname_size); if(PValue) { - struct worker *base = *PValue; - DOUBLE_LINKED_LIST_REMOVE_UNSAFE(base, worker, prev, next); - *PValue = base; - - if(!base) - JudyHSDel(&workers_per_workname_JudyHS_array, (void *)worker->workname, workname_size, PJE0); + struct workers_workname *workname = *PValue; + netdata_spinlock_lock(&workname->spinlock); + DOUBLE_LINKED_LIST_REMOVE_UNSAFE(workname->base, worker, prev, next); + netdata_spinlock_unlock(&workname->spinlock); + + if(!workname->base) { + JudyHSDel(&workers_globals.worknames_JudyHS, (void *) worker->workname, workname_size, PJE0); + freez(workname); + } } - netdata_mutex_unlock(&workers_base_lock); + netdata_spinlock_unlock(&workers_globals.spinlock); for(int i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES ;i++) { string_freez(worker->per_job_type[i].name); @@ -187,7 +210,7 @@ void worker_set_metric(size_t job_id, NETDATA_DOUBLE value) { // statistics interface -void workers_foreach(const char *workname, void (*callback)( +void workers_foreach(const char *name, void (*callback)( void *data , pid_t pid , const char *thread_tag @@ -203,18 +226,27 @@ void workers_foreach(const char *workname, void (*callback)( , NETDATA_DOUBLE *job_custom_values ) , void *data) { - netdata_mutex_lock(&workers_base_lock); + netdata_spinlock_lock(&workers_globals.spinlock); usec_t busy_time, delta; size_t i, jobs_started, jobs_running; - size_t workname_size = strlen(workname) + 1; - struct worker *base = NULL; - Pvoid_t *PValue = JudyHSGet(workers_per_workname_JudyHS_array, (void *)workname, workname_size); - if(PValue) - base = *PValue; + size_t workname_size = strlen(name) + 1; + struct workers_workname *workname; + Pvoid_t *PValue = JudyHSGet(workers_globals.worknames_JudyHS, (void *)name, workname_size); + if(PValue) { + workname = *PValue; + netdata_spinlock_lock(&workname->spinlock); + } + else + workname = NULL; + + netdata_spinlock_unlock(&workers_globals.spinlock); + + if(!workname) + return; struct worker *p; - DOUBLE_LINKED_LIST_FOREACH_FORWARD(base, p, prev, next) { + DOUBLE_LINKED_LIST_FOREACH_FORWARD(workname->base, p, prev, next) { usec_t now = now_monotonic_usec(); // find per job type statistics @@ -326,5 +358,5 @@ void workers_foreach(const char *workname, void (*callback)( ); } - netdata_mutex_unlock(&workers_base_lock); + netdata_spinlock_unlock(&workname->spinlock); } |