[PATCH v2 06/40] afs: Automatically generate trace tag enums

David Howells
2023-12-13T13:50:19Z

Automatically generate trace tag enums from the symbol -> string mapping
tables rather than having the enums as well, thereby reducing duplicated
data.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
---
include/trace/events/afs.h | 233 +++++--------------------------------
1 file changed, 27 insertions(+), 206 deletions(-)

diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h
index cfcd6452c156..597677acc6b1 100644
--- a/include/trace/events/afs.h
+++ b/include/trace/events/afs.h
@@ -18,97 +18,6 @@
#ifndef __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY

-enum afs_call_trace {
- afs_call_trace_alloc,
- afs_call_trace_free,
- afs_call_trace_get,
- afs_call_trace_put,
- afs_call_trace_wake,
- afs_call_trace_work,
-};
-
-enum afs_server_trace {
- afs_server_trace_alloc,
- afs_server_trace_callback,
- afs_server_trace_destroy,
- afs_server_trace_free,
- afs_server_trace_gc,
- afs_server_trace_get_by_addr,
- afs_server_trace_get_by_uuid,
- afs_server_trace_get_caps,
- afs_server_trace_get_install,
- afs_server_trace_get_new_cbi,
- afs_server_trace_get_probe,
- afs_server_trace_give_up_cb,
- afs_server_trace_purging,
- afs_server_trace_put_call,
- afs_server_trace_put_cbi,
- afs_server_trace_put_find_rsq,
- afs_server_trace_put_probe,
- afs_server_trace_put_slist,
- afs_server_trace_put_slist_isort,
- afs_server_trace_put_uuid_rsq,
- afs_server_trace_update,
-};
-
-
-enum afs_volume_trace {
- afs_volume_trace_alloc,
- afs_volume_trace_free,
- afs_volume_trace_get_alloc_sbi,
- afs_volume_trace_get_cell_insert,
- afs_volume_trace_get_new_op,
- afs_volume_trace_get_query_alias,
- afs_volume_trace_put_cell_dup,
- afs_volume_trace_put_cell_root,
- afs_volume_trace_put_destroy_sbi,
- afs_volume_trace_put_free_fc,
- afs_volume_trace_put_put_op,
- afs_volume_trace_put_query_alias,
- afs_volume_trace_put_validate_fc,
- afs_volume_trace_remove,
-};
-
-enum afs_cell_trace {
- afs_cell_trace_alloc,
- afs_cell_trace_free,
- afs_cell_trace_get_queue_dns,
- afs_cell_trace_get_queue_manage,
- afs_cell_trace_get_queue_new,
- afs_cell_trace_get_vol,
- afs_cell_trace_insert,
- afs_cell_trace_manage,
- afs_cell_trace_put_candidate,
- afs_cell_trace_put_destroy,
- afs_cell_trace_put_queue_fail,
- afs_cell_trace_put_queue_work,
- afs_cell_trace_put_vol,
- afs_cell_trace_see_source,
- afs_cell_trace_see_ws,
- afs_cell_trace_unuse_alias,
- afs_cell_trace_unuse_check_alias,
- afs_cell_trace_unuse_delete,
- afs_cell_trace_unuse_fc,
- afs_cell_trace_unuse_lookup,
- afs_cell_trace_unuse_mntpt,
- afs_cell_trace_unuse_no_pin,
- afs_cell_trace_unuse_parse,
- afs_cell_trace_unuse_pin,
- afs_cell_trace_unuse_probe,
- afs_cell_trace_unuse_sbi,
- afs_cell_trace_unuse_ws,
- afs_cell_trace_use_alias,
- afs_cell_trace_use_check_alias,
- afs_cell_trace_use_fc,
- afs_cell_trace_use_fc_alias,
- afs_cell_trace_use_lookup,
- afs_cell_trace_use_mntpt,
- afs_cell_trace_use_pin,
- afs_cell_trace_use_probe,
- afs_cell_trace_use_sbi,
- afs_cell_trace_wait,
-};
-
enum afs_fs_operation {
afs_FS_FetchData = 130, /* AFS Fetch file data */
afs_FS_FetchACL = 131, /* AFS Fetch file ACL */
@@ -202,121 +111,6 @@ enum yfs_cm_operation {
yfs_CB_CallBack = 64204,
};

-enum afs_edit_dir_op {
- afs_edit_dir_create,
- afs_edit_dir_create_error,
- afs_edit_dir_create_inval,
- afs_edit_dir_create_nospc,
- afs_edit_dir_delete,
- afs_edit_dir_delete_error,
- afs_edit_dir_delete_inval,
- afs_edit_dir_delete_noent,
-};
-
-enum afs_edit_dir_reason {
- afs_edit_dir_for_create,
- afs_edit_dir_for_link,
- afs_edit_dir_for_mkdir,
- afs_edit_dir_for_rename_0,
- afs_edit_dir_for_rename_1,
- afs_edit_dir_for_rename_2,
- afs_edit_dir_for_rmdir,
- afs_edit_dir_for_silly_0,
- afs_edit_dir_for_silly_1,
- afs_edit_dir_for_symlink,
- afs_edit_dir_for_unlink,
-};
-
-enum afs_eproto_cause {
- afs_eproto_bad_status,
- afs_eproto_cb_count,
- afs_eproto_cb_fid_count,
- afs_eproto_cellname_len,
- afs_eproto_file_type,
- afs_eproto_ibulkst_cb_count,
- afs_eproto_ibulkst_count,
- afs_eproto_motd_len,
- afs_eproto_offline_msg_len,
- afs_eproto_volname_len,
- afs_eproto_yvl_fsendpt4_len,
- afs_eproto_yvl_fsendpt6_len,
- afs_eproto_yvl_fsendpt_num,
- afs_eproto_yvl_fsendpt_type,
- afs_eproto_yvl_vlendpt4_len,
- afs_eproto_yvl_vlendpt6_len,
- afs_eproto_yvl_vlendpt_type,
-};
-
-enum afs_io_error {
- afs_io_error_cm_reply,
- afs_io_error_extract,
- afs_io_error_fs_probe_fail,
- afs_io_error_vl_lookup_fail,
- afs_io_error_vl_probe_fail,
-};
-
-enum afs_file_error {
- afs_file_error_dir_bad_magic,
- afs_file_error_dir_big,
- afs_file_error_dir_missing_page,
- afs_file_error_dir_name_too_long,
- afs_file_error_dir_over_end,
- afs_file_error_dir_small,
- afs_file_error_dir_unmarked_ext,
- afs_file_error_mntpt,
- afs_file_error_writeback_fail,
-};
-
-enum afs_flock_event {
- afs_flock_acquired,
- afs_flock_callback_break,
- afs_flock_defer_unlock,
- afs_flock_extend_fail,
- afs_flock_fail_other,
- afs_flock_fail_perm,
- afs_flock_no_lockers,
- afs_flock_release_fail,
- afs_flock_silly_delete,
- afs_flock_timestamp,
- afs_flock_try_to_lock,
- afs_flock_vfs_lock,
- afs_flock_vfs_locking,
- afs_flock_waited,
- afs_flock_waiting,
- afs_flock_work_extending,
- afs_flock_work_retry,
- afs_flock_work_unlocking,
- afs_flock_would_block,
-};
-
-enum afs_flock_operation {
- afs_flock_op_copy_lock,
- afs_flock_op_flock,
- afs_flock_op_grant,
- afs_flock_op_lock,
- afs_flock_op_release_lock,
- afs_flock_op_return_ok,
- afs_flock_op_return_eagain,
- afs_flock_op_return_edeadlk,
- afs_flock_op_return_error,
- afs_flock_op_set_lock,
- afs_flock_op_unlock,
- afs_flock_op_wake,
-};
-
-enum afs_cb_break_reason {
- afs_cb_break_no_break,
- afs_cb_break_no_promise,
- afs_cb_break_for_callback,
- afs_cb_break_for_deleted,
- afs_cb_break_for_lapsed,
- afs_cb_break_for_s_reinit,
- afs_cb_break_for_unlink,
- afs_cb_break_for_v_break,
- afs_cb_break_for_volume_callback,
- afs_cb_break_for_zap,
-};
-
#endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */

/*
@@ -391,6 +185,7 @@ enum afs_cb_break_reason {
EM(afs_cell_trace_unuse_fc, "UNU fc ") \
EM(afs_cell_trace_unuse_lookup, "UNU lookup") \
EM(afs_cell_trace_unuse_mntpt, "UNU mntpt ") \
+ EM(afs_cell_trace_unuse_no_pin, "UNU no-pin") \
EM(afs_cell_trace_unuse_parse, "UNU parse ") \
EM(afs_cell_trace_unuse_pin, "UNU pin ") \
EM(afs_cell_trace_unuse_probe, "UNU probe ") \
@@ -614,6 +409,32 @@ enum afs_cb_break_reason {
EM(afs_cb_break_for_volume_callback, "break-v-cb") \
E_(afs_cb_break_for_zap, "break-zap")

+/*
+ * Generate enums for tracing information.
+ */
+#ifndef __AFS_GENERATE_TRACE_ENUMS_ONCE_ONLY
+#define __AFS_GENERATE_TRACE_ENUMS_ONCE_ONLY
+
+#undef EM
+#undef E_
+#define EM(a, b) a,
+#define E_(a, b) a
+
+enum afs_call_trace { afs_call_traces } __mode(byte);
+enum afs_cb_break_reason { afs_cb_break_reasons } __mode(byte);
+enum afs_cell_trace { afs_cell_traces } __mode(byte);
+enum afs_edit_dir_op { afs_edit_dir_ops } __mode(byte);
+enum afs_edit_dir_reason { afs_edit_dir_reasons } __mode(byte);
+enum afs_eproto_cause { afs_eproto_causes } __mode(byte);
+enum afs_file_error { afs_file_errors } __mode(byte);
+enum afs_flock_event { afs_flock_events } __mode(byte);
+enum afs_flock_operation { afs_flock_operations } __mode(byte);
+enum afs_io_error { afs_io_errors } __mode(byte);
+enum afs_server_trace { afs_server_traces } __mode(byte);
+enum afs_volume_trace { afs_volume_traces } __mode(byte);
+
+#endif /* end __AFS_GENERATE_TRACE_ENUMS_ONCE_ONLY */
+
/*
* Export enum symbols via userspace.
*/