summaryrefslogtreecommitdiffstats
path: root/sharpd/sharp_logpump.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /sharpd/sharp_logpump.c
parentInitial commit. (diff)
downloadfrr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.tar.xz
frr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sharpd/sharp_logpump.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/sharpd/sharp_logpump.c b/sharpd/sharp_logpump.c
new file mode 100644
index 0000000..ad1051f
--- /dev/null
+++ b/sharpd/sharp_logpump.c
@@ -0,0 +1,156 @@
+/*
+ * testing log message generator
+ * Copyright (C) 2019-2020 David Lamparter for NetDEF, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+
+#include "vty.h"
+#include "command.h"
+#include "prefix.h"
+#include "nexthop.h"
+#include "log.h"
+#include "thread.h"
+#include "vrf.h"
+#include "zclient.h"
+#include "frr_pthread.h"
+
+#include "sharpd/sharp_vty.h"
+
+/* this is quite hacky, but then again it's a test tool and it does its job. */
+static struct frr_pthread *lpt;
+
+static unsigned long lp_duration;
+static unsigned lp_frequency;
+static unsigned lp_burst;
+static size_t lp_ctr, lp_expect;
+static struct rusage lp_rusage;
+static struct vty *lp_vty;
+
+extern struct thread_master *master;
+
+static void logpump_done(struct thread *thread)
+{
+ double x;
+
+ vty_out(lp_vty, "\nlogpump done\n");
+ vty_out(lp_vty, "%9zu messages written\n", lp_ctr);
+ x = (double)lp_ctr / (double)lp_expect * 100.;
+ vty_out(lp_vty, "%9zu messages targeted = %5.1lf%%\n", lp_expect, x);
+
+ x = lp_rusage.ru_utime.tv_sec * 1000000 + lp_rusage.ru_utime.tv_usec;
+ x /= (double)lp_ctr;
+ vty_out(lp_vty, "%6llu.%06u usr %9.1lfns/msg\n",
+ (unsigned long long)lp_rusage.ru_utime.tv_sec,
+ (unsigned)lp_rusage.ru_utime.tv_usec, x * 1000.);
+
+ x = lp_rusage.ru_stime.tv_sec * 1000000 + lp_rusage.ru_stime.tv_usec;
+ x /= (double)lp_ctr;
+ vty_out(lp_vty, "%6llu.%06u sys %9.1lfns/msg\n",
+ (unsigned long long)lp_rusage.ru_stime.tv_sec,
+ (unsigned)lp_rusage.ru_stime.tv_usec, x * 1000.);
+
+ frr_pthread_stop(lpt, NULL);
+ frr_pthread_destroy(lpt);
+ lpt = NULL;
+}
+
+static void *logpump_run(void *arg)
+{
+ struct timespec start, next, now;
+ unsigned long delta, period;
+
+ period = 1000000000L / lp_frequency;
+
+ zlog_tls_buffer_init();
+
+ clock_gettime(CLOCK_MONOTONIC, &start);
+ next = start;
+ do {
+ for (size_t inburst = 0; inburst < lp_burst; inburst++)
+ zlog_debug("log pump: %zu (burst %zu)",
+ lp_ctr++, inburst);
+
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ delta = (now.tv_sec - start.tv_sec) * 1000000000L
+ + (now.tv_nsec - start.tv_nsec);
+
+ next.tv_nsec += period;
+ if (next.tv_nsec > 1000000000L) {
+ next.tv_sec++;
+ next.tv_nsec -= 1000000000L;
+ }
+#ifdef HAVE_CLOCK_NANOSLEEP
+ clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &next, NULL);
+#else
+ struct timespec slpdur;
+
+ slpdur.tv_sec = next.tv_sec - now.tv_sec;
+ slpdur.tv_nsec = next.tv_nsec - now.tv_nsec;
+ if (slpdur.tv_nsec < 0) {
+ slpdur.tv_sec--;
+ slpdur.tv_nsec += 1000000000L;
+ }
+
+ nanosleep(&slpdur, NULL);
+#endif
+ } while (delta < lp_duration);
+
+ zlog_tls_buffer_fini();
+
+#ifdef RUSAGE_THREAD
+ getrusage(RUSAGE_THREAD, &lp_rusage);
+#else
+ getrusage(RUSAGE_SELF, &lp_rusage);
+#endif
+
+ thread_add_timer_msec(master, logpump_done, NULL, 0, NULL);
+ return NULL;
+}
+
+static int logpump_halt(struct frr_pthread *fpt, void **res)
+{
+ return 0;
+}
+
+/* default frr_pthread attributes */
+static const struct frr_pthread_attr attr = {
+ .start = logpump_run,
+ .stop = logpump_halt,
+};
+
+void sharp_logpump_run(struct vty *vty, unsigned duration, unsigned frequency,
+ unsigned burst)
+{
+ if (lpt != NULL) {
+ vty_out(vty, "logpump already running\n");
+ return;
+ }
+
+ vty_out(vty, "starting logpump...\n");
+ vty_out(vty, "keep this VTY open and press Enter to see results\n");
+
+ lp_vty = vty;
+ lp_duration = duration * 1000000000UL;
+ lp_frequency = frequency;
+ lp_burst = burst;
+ lp_expect = duration * frequency * burst;
+ lp_ctr = 0;
+
+ lpt = frr_pthread_new(&attr, "logpump", "logpump");
+ frr_pthread_run(lpt, NULL);
+}