rsyslog/print-main-queue-info-to-journal-when-receive-USR1-signal.patch
2024-02-18 17:54:00 +08:00

95 lines
2.6 KiB
Diff

From 27ee1b988a465e5f89e8a9234f4a01c34cab4387 Mon Sep 17 00:00:00 2001
From: wangshouping <wangshouping@huawei.com>
Date: Mon, 27 Apr 2020 08:53:18 -0400
Subject: [PATCH] print main queue info to journal when receive USR1
signal
V-2: add macro control for systemd/sd-journal.h
V-3: adapt pMsgQueue to runConf->pMsgQueue
Signed-off-by: wangshouping <wangshouping@huawei.com>
Signed-off-by: pengyi37 <pengyi37@huawei.com>
---
tools/rsyslogd.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/tools/rsyslogd.c b/tools/rsyslogd.c
index d27a2a7..6aa81b8 100644
--- a/tools/rsyslogd.c
+++ b/tools/rsyslogd.c
@@ -37,6 +37,7 @@
#endif
#ifdef HAVE_LIBSYSTEMD
# include <systemd/sd-daemon.h>
+#include <systemd/sd-journal.h>
#endif
#ifdef ENABLE_LIBCAPNG
#include <cap-ng.h>
@@ -189,6 +190,9 @@ static pthread_mutex_t mutChildDied;
static int bChildDied = 0;
static pthread_mutex_t mutHadHUP;
static int bHadHUP;
+#ifdef HAVE_LIBSYSTEMD
+static int g_bRecordQueue;
+#endif
static int doFork = 1; /* fork - run in daemon mode - read-only after startup */
int bFinished = 0; /* used by termination signal handler, read-only except there
* is either 0 or the number of the signal that requested the
@@ -1377,6 +1381,12 @@ rsyslogdDebugSwitch(void)
}
}
+#ifdef HAVE_LIBSYSTEMD
+static void RsyslogdDebugQueue(void)
+{
+ g_bRecordQueue = 1;
+}
+#endif
/* This is the main entry point into rsyslogd. Over time, we should try to
* modularize it a bit more...
@@ -1798,7 +1808,11 @@ initAll(int argc, char **argv)
hdlr_enable(SIGINT, rsyslogdDoDie);
hdlr_enable(SIGQUIT, rsyslogdDoDie);
} else {
+#ifdef HAVE_LIBSYSTEMD
+ hdlr_enable(SIGUSR1, RsyslogdDebugQueue);
+#else
hdlr_enable(SIGUSR1, SIG_IGN);
+#endif
hdlr_enable(SIGINT, SIG_IGN);
hdlr_enable(SIGQUIT, SIG_IGN);
}
@@ -2143,6 +2157,9 @@ mainloop(void)
sigaddset(&sigblockset, SIGTERM);
sigaddset(&sigblockset, SIGCHLD);
sigaddset(&sigblockset, SIGHUP);
+#ifdef HAVE_LIBSYSTEMD
+ sigaddset(&sigblockset, SIGUSR1);
+#endif
do {
pthread_sigmask(SIG_BLOCK, &sigblockset, &origmask);
@@ -2174,6 +2191,18 @@ mainloop(void)
processImInternal();
+#ifdef HAVE_LIBSYSTEMD
+ if (g_bRecordQueue) {
+ if (runConf->pMsgQueue != NULL) {
+ sd_journal_print(LOG_NOTICE, "main queue size information: current QueueSize=%d MaxQeueSize=%d\n",
+ runConf->pMsgQueue->iQueueSize, runConf->pMsgQueue->iMaxQueueSize);
+ } else {
+ sd_journal_print(LOG_NOTICE, "main queue size information: pMsgQueue is NULL!\n");
+ }
+ g_bRecordQueue = 0;
+ }
+#endif
+
if(bFinished)
break; /* exit as quickly as possible */
--
2.27.0