On Mon, Oct 31, 2022 at 01:19:33PM +0000, Daniel P. Berrangé wrote:
> The tracepoints aid in debugging the triggering of watchdog devices.
>
> Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
> ---
> hw/watchdog/trace-events | 4 ++++
> hw/watchdog/watchdog.c | 4 ++++
> 2 files changed, 8 insertions(+)
>
> diff --git a/hw/watchdog/trace-events b/hw/watchdog/trace-events
> index 89ccbcfdfd..fc1d048702 100644
> --- a/hw/watchdog/trace-events
> +++ b/hw/watchdog/trace-events
> @@ -16,3 +16,7 @@ spapr_watchdog_stop(uint64_t num, uint64_t ret) "num=%"
> PRIu64 " ret=%" PRId64
> spapr_watchdog_query(uint64_t caps) "caps=0x%" PRIx64
> spapr_watchdog_query_lpm(uint64_t caps) "caps=0x%" PRIx64
> spapr_watchdog_expired(uint64_t num, unsigned action) "num=%" PRIu64 "
> action=%u"
> +
> +# watchdog.c
> +watchdog_perform_action(unsigned int action) "action=%d"
> +watchdog_set_action(unsigned int action) "action=%d"
> diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c
> index 6c082a3263..955046161b 100644
> --- a/hw/watchdog/watchdog.c
> +++ b/hw/watchdog/watchdog.c
> @@ -30,6 +30,7 @@
> #include "sysemu/watchdog.h"
> #include "hw/nmi.h"
> #include "qemu/help_option.h"
> +#include "trace.h"
>
> static WatchdogAction watchdog_action = WATCHDOG_ACTION_RESET;
>
> @@ -43,6 +44,8 @@ WatchdogAction get_watchdog_action(void)
> */
> void watchdog_perform_action(void)
> {
> + trace_watchdog_perform_action(watchdog_action);
> +
> switch (watchdog_action) {
> case WATCHDOG_ACTION_RESET: /* same as 'system_reset' in monitor */
> qapi_event_send_watchdog(WATCHDOG_ACTION_RESET);
> @@ -89,4 +92,5 @@ void watchdog_perform_action(void)
> void qmp_watchdog_set_action(WatchdogAction action, Error **errp)
> {
> watchdog_action = action;
> + trace_watchdog_set_action(watchdog_action);
> }
Reviewed-by: Richard W.M. Jones <rjo...@redhat.com>
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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