Add a tracepoint for creations of qdev. This can be used to see what devices are created under the hood, along with the ordering of their creation.
Signed-off-by: Peter Xu <pet...@redhat.com> --- softmmu/qdev-monitor.c | 2 ++ softmmu/trace-events | 3 +++ 2 files changed, 5 insertions(+) diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c index 721dec2d82..8602164082 100644 --- a/softmmu/qdev-monitor.c +++ b/softmmu/qdev-monitor.c @@ -40,6 +40,7 @@ #include "qemu/cutils.h" #include "hw/qdev-properties.h" #include "hw/clock.h" +#include "trace.h" /* * Aliases were a bad idea from the start. Let's keep them @@ -674,6 +675,7 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) dev->opts = NULL; goto err_del_dev; } + trace_qdev_device_add(driver, qemu_opts_id(opts)); return dev; err_del_dev: diff --git a/softmmu/trace-events b/softmmu/trace-events index 7b278590a0..fad85e9d5c 100644 --- a/softmmu/trace-events +++ b/softmmu/trace-events @@ -29,3 +29,6 @@ runstate_set(int current_state, const char *current_state_str, int new_state, co system_wakeup_request(int reason) "reason=%d" qemu_system_shutdown_request(int reason) "reason=%d" qemu_system_powerdown_request(void) "" + +# qdev-monitor.c +qdev_device_add(const char *driver, const char *id) "driver '%s' id '%s'" -- 2.31.1