Move all trace-events for files in the hw/block/ directory to their own file.
Signed-off-by: Daniel P. Berrange <berra...@redhat.com> --- Makefile.objs | 1 + hw/block/trace-events | 42 ++++++++++++++++++++++++++++++++++++++++++ trace-events | 16 ---------------- 3 files changed, 43 insertions(+), 16 deletions(-) create mode 100644 hw/block/trace-events diff --git a/Makefile.objs b/Makefile.objs index 998f356..7c1da65 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -124,3 +124,4 @@ trace-events-y += crypto/trace-events trace-events-y += io/trace-events trace-events-y += migration/trace-events trace-events-y += block/trace-events +trace-events-y += hw/block/trace-events diff --git a/hw/block/trace-events b/hw/block/trace-events new file mode 100644 index 0000000..deba22a --- /dev/null +++ b/hw/block/trace-events @@ -0,0 +1,42 @@ +# Trace events for debugging and performance instrumentation +# +# This file is processed by the tracetool script during the build. +# +# To add a new trace event: +# +# 1. Choose a name for the trace event. Declare its arguments and format +# string. +# +# 2. Call the trace event from code using trace_##name, e.g. multiwrite_cb() -> +# trace_multiwrite_cb(). The source file must #include "trace.h". +# +# Format of a trace event: +# +# [disable] <name>(<type1> <arg1>[, <type2> <arg2>] ...) "<format-string>" +# +# Example: g_malloc(size_t size) "size %zu" +# +# The "disable" keyword will build without the trace event. +# +# The <name> must be a valid as a C function name. +# +# Types should be standard C types. Use void * for pointers because the trace +# system may not have the necessary headers included. +# +# The <format-string> should be a sprintf()-compatible format string. + +# hw/block/virtio-blk.c +virtio_blk_req_complete(void *req, int status) "req %p status %d" +virtio_blk_rw_complete(void *req, int ret) "req %p ret %d" +virtio_blk_handle_write(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu" +virtio_blk_handle_read(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu" +virtio_blk_submit_multireq(void *mrb, int start, int num_reqs, uint64_t offset, size_t size, bool is_write) "mrb %p start %d num_reqs %d offset %"PRIu64" size %zu is_write %d" + +# hw/block/dataplane/virtio-blk.c +virtio_blk_data_plane_start(void *s) "dataplane %p" +virtio_blk_data_plane_stop(void *s) "dataplane %p" +virtio_blk_data_plane_process_request(void *s, unsigned int out_num, unsigned int in_num, unsigned int head) "dataplane %p out_num %u in_num %u head %u" + +# hw/block/hd-geometry.c +hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p LCHS %d %d %d" +hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "blk %p CHS %u %u %u trans %d" diff --git a/trace-events b/trace-events index 2002ea5..fd343ef 100644 --- a/trace-events +++ b/trace-events @@ -50,18 +50,6 @@ virtio_console_flush_buf(unsigned int port, size_t len, ssize_t ret) "port %u, i virtio_console_chr_read(unsigned int port, int size) "port %u, size %d" virtio_console_chr_event(unsigned int port, int event) "port %u, event %d" -# hw/block/virtio-blk.c -virtio_blk_req_complete(void *req, int status) "req %p status %d" -virtio_blk_rw_complete(void *req, int ret) "req %p ret %d" -virtio_blk_handle_write(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu" -virtio_blk_handle_read(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu" -virtio_blk_submit_multireq(void *mrb, int start, int num_reqs, uint64_t offset, size_t size, bool is_write) "mrb %p start %d num_reqs %d offset %"PRIu64" size %zu is_write %d" - -# hw/block/dataplane/virtio-blk.c -virtio_blk_data_plane_start(void *s) "dataplane %p" -virtio_blk_data_plane_stop(void *s) "dataplane %p" -virtio_blk_data_plane_process_request(void *s, unsigned int out_num, unsigned int in_num, unsigned int head) "dataplane %p out_num %u in_num %u head %u" - # thread-pool.c thread_pool_submit(void *pool, void *req, void *opaque) "pool %p req %p opaque %p" thread_pool_complete(void *pool, void *req, void *opaque, int ret) "pool %p req %p opaque %p ret %d" @@ -128,10 +116,6 @@ fw_cfg_select(void *s, uint16_t key, int ret) "%p key %d = %d" fw_cfg_read(void *s, uint64_t ret) "%p = %"PRIx64 fw_cfg_add_file(void *s, int index, char *name, size_t len) "%p #%d: %s (%zd bytes)" -# hw/block/hd-geometry.c -hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p LCHS %d %d %d" -hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "blk %p CHS %u %u %u trans %d" - # hw/display/jazz_led.c jazz_led_read(uint64_t addr, uint8_t val) "read addr=0x%"PRIx64": 0x%x" jazz_led_write(uint64_t addr, uint8_t new) "write addr=0x%"PRIx64": 0x%x" -- 2.5.5
