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hw/acpi: add trace events for TCO watchdog register access

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These tracepoints aid in understanding and debugging the guest drivers
for the TCO watchdog.

Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221216125749.596075-2-berrange@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2022-12-16 07:57:45 -05:00 • committed by Michael S. Tsirkin
parent c15dc499cc
commit 23d8e32499
2 changed files with 30 additions and 13 deletions
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2
hw/acpi/trace-events
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@ -55,6 +55,8 @@ piix4_gpe_writeb(uint64_t addr, unsigned width, uint64_t val) "addr: 0x%" PRIx64
# tco.c
tco_timer_reload(int ticks, int msec) "ticks=%d (%d ms)"
tco_timer_expired(int timeouts_no, bool strap, bool no_reboot) "timeouts_no=%d no_reboot=%d/%d"
tco_io_write(uint64_t addr, uint32_t val) "addr=0x%" PRIx64 " val=0x%" PRIx32
tco_io_read(uint64_t addr, uint32_t val) "addr=0x%" PRIx64 " val=0x%" PRIx32
# erst.c
acpi_erst_reg_write(uint64_t addr, uint64_t val, unsigned size) "addr: 0x%04" PRIx64 " <== 0x%016" PRIx64 " (size: %u)"