[PULL,12/17] block: add some trace events for zone append

Commit Message

Stefan Hajnoczi April 28, 2023, 12:39 p.m. UTC

From: Sam Li <[e-mail]>

Signed-off-by: Sam Li <[e-mail]>
Reviewed-by: Dmitry Fomichev <[e-mail]>
Reviewed-by: Stefan Hajnoczi <[e-mail]>
Message-id: [e-mail]
Signed-off-by: Stefan Hajnoczi <[e-mail]>
---
 block/file-posix.c | 3 +++
 block/trace-events | 2 ++
 2 files changed, 5 insertions(+)

Patch

diff --git a/block/file-posix.c b/block/file-posix.c
index 8fca0eab7b..2d776efa71 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2517,6 +2517,8 @@  out:
             if (!BDRV_ZT_IS_CONV(*wp)) {
                 if (type & QEMU_AIO_ZONE_APPEND) {
                     *s->offset = *wp;
+                    trace_zbd_zone_append_complete(bs, *s->offset
+                        >> BDRV_SECTOR_BITS);
                 }
                 /* Advance the wp if needed */
                 if (offset + bytes > *wp) {
@@ -3558,6 +3560,7 @@  static int coroutine_fn raw_co_zone_append(BlockDriverState *bs,
         len += iov_len;
     }
 
+    trace_zbd_zone_append(bs, *offset >> BDRV_SECTOR_BITS);
     return raw_co_prw(bs, *offset, len, qiov, QEMU_AIO_ZONE_APPEND);
 }
 #endif
diff --git a/block/trace-events b/block/trace-events
index 3f4e1d088a..32665158d6 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -211,6 +211,8 @@  file_hdev_is_sg(int type, int version) "SG device found: type=%d, version=%d"
 file_flush_fdatasync_failed(int err) "errno %d"
 zbd_zone_report(void *bs, unsigned int nr_zones, int64_t sector) "bs %p report %d zones starting at sector offset 0x%" PRIx64 ""
 zbd_zone_mgmt(void *bs, const char *op_name, int64_t sector, int64_t len) "bs %p %s starts at sector offset 0x%" PRIx64 " over a range of 0x%" PRIx64 " sectors"
+zbd_zone_append(void *bs, int64_t sector) "bs %p append at sector offset 0x%" PRIx64 ""
+zbd_zone_append_complete(void *bs, int64_t sector) "bs %p returns append sector 0x%" PRIx64 ""
 
 # ssh.c
 sftp_error(const char *op, const char *ssh_err, int ssh_err_code, int sftp_err_code) "%s failed: %s (libssh error code: %d, sftp error code: %d)"