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Diffstat (limited to 'collectors/ebpf.plugin/ebpf_softirq.c')
-rw-r--r--collectors/ebpf.plugin/ebpf_softirq.c53
1 files changed, 50 insertions, 3 deletions
diff --git a/collectors/ebpf.plugin/ebpf_softirq.c b/collectors/ebpf.plugin/ebpf_softirq.c
index b5c77bf06..8d8930a10 100644
--- a/collectors/ebpf.plugin/ebpf_softirq.c
+++ b/collectors/ebpf.plugin/ebpf_softirq.c
@@ -61,6 +61,26 @@ static softirq_val_t softirq_vals[] = {
static softirq_ebpf_val_t *softirq_ebpf_vals = NULL;
/**
+ * Obsolete global
+ *
+ * Obsolete global charts created by thread.
+ *
+ * @param em a pointer to `struct ebpf_module`
+ */
+static void ebpf_obsolete_softirq_global(ebpf_module_t *em)
+{
+ ebpf_write_chart_obsolete(NETDATA_EBPF_SYSTEM_GROUP,
+ "softirq_latency",
+ "Software IRQ latency",
+ EBPF_COMMON_DIMENSION_MILLISECONDS,
+ "softirqs",
+ NETDATA_EBPF_CHART_TYPE_STACKED,
+ NULL,
+ NETDATA_CHART_PRIO_SYSTEM_SOFTIRQS+1,
+ em->update_every);
+}
+
+/**
* Cleanup
*
* Clean up allocated memory.
@@ -71,16 +91,32 @@ static void softirq_cleanup(void *ptr)
{
ebpf_module_t *em = (ebpf_module_t *)ptr;
- if (em->objects)
+ if (em->enabled == NETDATA_THREAD_EBPF_FUNCTION_RUNNING) {
+ pthread_mutex_lock(&lock);
+
+ ebpf_obsolete_softirq_global(em);
+
+ pthread_mutex_unlock(&lock);
+ fflush(stdout);
+ }
+
+ ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_REMOVE);
+
+ if (em->objects) {
ebpf_unload_legacy_code(em->objects, em->probe_links);
+ em->objects = NULL;
+ em->probe_links = NULL;
+ }
for (int i = 0; softirq_tracepoints[i].class != NULL; i++) {
ebpf_disable_tracepoint(&softirq_tracepoints[i]);
}
freez(softirq_ebpf_vals);
+ softirq_ebpf_vals = NULL;
pthread_mutex_lock(&ebpf_exit_cleanup);
em->enabled = NETDATA_THREAD_EBPF_STOPPED;
+ ebpf_update_stats(&plugin_statistics, em);
pthread_mutex_unlock(&ebpf_exit_cleanup);
}
@@ -170,7 +206,7 @@ static void softirq_collector(ebpf_module_t *em)
softirq_create_charts(em->update_every);
softirq_create_dims();
ebpf_update_stats(&plugin_statistics, em);
- ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps);
+ ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_ADD);
pthread_mutex_unlock(&lock);
// loop and read from published data until ebpf plugin is closed.
@@ -180,7 +216,9 @@ static void softirq_collector(ebpf_module_t *em)
int counter = update_every - 1;
int maps_per_core = em->maps_per_core;
//This will be cancelled by its parent
- while (!ebpf_exit_plugin) {
+ uint32_t running_time = 0;
+ uint32_t lifetime = em->lifetime;
+ while (!ebpf_exit_plugin && running_time < lifetime) {
(void)heartbeat_next(&hb, USEC_PER_SEC);
if (ebpf_exit_plugin || ++counter != update_every)
continue;
@@ -195,6 +233,15 @@ static void softirq_collector(ebpf_module_t *em)
write_end_chart();
pthread_mutex_unlock(&lock);
+
+ pthread_mutex_lock(&ebpf_exit_cleanup);
+ if (running_time && !em->running_time)
+ running_time = update_every;
+ else
+ running_time += update_every;
+
+ em->running_time = running_time;
+ pthread_mutex_unlock(&ebpf_exit_cleanup);
}
}