tools include UAPI: Sync linux/vhost.h with the kernel sources ...
To get the changes in:
3b688d7a086d0438 ("vhost-vdpa: uAPI to resume the device")
To pick up these changes and support them:
$ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > before
$ cp ../linux/include/uapi/linux/vhost.h tools/include/uapi/linux/vhost.h
$ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > after
$ diff -u before after
--- before 2023-03-06 09:26:14.889251817 -0300
+++ after 2023-03-06 09:26:20.594406270 -0300
@@ -30,6 +30,7 @@
[0x77] = "VDPA_SET_CONFIG_CALL",
[0x7C] = "VDPA_SET_GROUP_ASID",
[0x7D] = "VDPA_SUSPEND",
+ [0x7E] = "VDPA_RESUME",
};
static const char *vhost_virtio_ioctl_read_cmds[] = {
[0x00] = "GET_FEATURES",
$
For instance, see how those 'cmd' ioctl arguments get translated, now
VDPA_RESUME will be as well:
# perf trace -a -e ioctl --max-events=10
0.000 ( 0.011 ms): pipewire/2261 ioctl(fd: 60, cmd: SNDRV_PCM_HWSYNC, arg: 0x1) = 0
21.353 ( 0.014 ms): pipewire/2261 ioctl(fd: 60, cmd: SNDRV_PCM_HWSYNC, arg: 0x1) = 0
25.766 ( 0.014 ms): gnome-shell/2196 ioctl(fd: 14, cmd: DRM_I915_IRQ_WAIT, arg: 0x7ffe4a22c740) = 0
25.845 ( 0.034 ms): gnome-shel:cs0/2212 ioctl(fd: 14, cmd: DRM_I915_IRQ_EMIT, arg: 0x7fd43915dc70) = 0
25.916 ( 0.011 ms): gnome-shell/2196 ioctl(fd: 9, cmd: DRM_MODE_ADDFB2, arg: 0x7ffe4a22c8a0) = 0
25.941 ( 0.025 ms): gnome-shell/2196 ioctl(fd: 9, cmd: DRM_MODE_ATOMIC, arg: 0x7ffe4a22c840) = 0
32.915 ( 0.009 ms): gnome-shell/2196 ioctl(fd: 9, cmd: DRM_MODE_RMFB, arg: 0x7ffe4a22cf9c) = 0
42.522 ( 0.013 ms): gnome-shell/2196 ioctl(fd: 14, cmd: DRM_I915_IRQ_WAIT, arg: 0x7ffe4a22c740) = 0
42.579 ( 0.031 ms): gnome-shel:cs0/2212 ioctl(fd: 14, cmd: DRM_I915_IRQ_EMIT, arg: 0x7fd43915dc70) = 0
42.644 ( 0.010 ms): gnome-shell/2196 ioctl(fd: 9, cmd: DRM_MODE_ADDFB2, arg: 0x7ffe4a22c8a0) = 0
#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Sebastien Boeuf <sebastien.boeuf@intel.com>
Link: https://lore.kernel.org/lkml/ZAXdCTecxSNwAoeK@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
14e998ed42