Hello,
I'm trying to launch a thread - lcore_mainloop( from
examples/timer/main.c ) that runs rte_manage_timer() every 2s from testpmd
to ensure the timers i've registered in my driver are checked for expiry (
i even tried putting this thread in my driver as well, no difference in
results) and i see that while this thread is running, i somehow seem to
stop getting interrupts ..infact i don't even
see eal_intr_process_interrupts () being called.
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index ca4e1a4..a8d71d6 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -71,6 +71,8 @@
#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
+#include <rte_cycles.h>
+#include <rte_timer.h>
#include <rte_dev.h>
#include <rte_string_fns.h>
#ifdef RTE_LIBRTE_IXGBE_PMD
@@ -2524,6 +2526,30 @@ signal_handler(int signum)
}
}
+static int
+lcore_mainloop(__attribute__((unused)) void *arg)
+{
+ uint64_t prev_tsc = 0, cur_tsc, diff_tsc;
+ unsigned int lcore_id;
+
+ lcore_id = rte_lcore_id();
+ printf("Starting mainloop on core %u\n", lcore_id);
+
+ while (f_quit == 0) {
+ cur_tsc = rte_rdtsc();
+ diff_tsc = cur_tsc - prev_tsc;
+ /* Schedule every 2 seconds */
+ if (diff_tsc > rte_get_timer_hz() * 2) {
+ rte_timer_manage();
+ prev_tsc = cur_tsc;
+ } else
+ sleep(1);
+ }
+ return 0;
+}
+
int
main(int argc, char** argv)
{
@@ -2627,6 +2653,7 @@ main(int argc, char** argv)
if (strlen(cmdline_filename) != 0)
cmdline_read_from_file(cmdline_filename);
+ rte_eal_remote_launch(lcore_mainloop, NULL, 3);
if (interactive == 1) {
if (auto_start) {
printf("Start automatic packet forwarding\n");
My testpmd cmdline is like so:
testpmd -c 0xff -n 3 -- -i portmask=0x3 --nb-cores=3 --rxq=1 --txq=1
Any idea what could be the problem ? Is this something that is expected or
am i doing something wrong ?
Thanks
Som
