From 279fbb6f71f36b90480f19e5a98d0b1d27215733 Mon Sep 17 00:00:00 2001 From: Raghavendra G Date: Thu, 16 Sep 2010 04:04:58 +0000 Subject: performance/write-behind: dump contents of wb-file Signed-off-by: Raghavendra G Signed-off-by: Vijay Bellur BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059 --- .../performance/write-behind/src/write-behind.c | 162 ++++++++++++++++++++- 1 file changed, 154 insertions(+), 8 deletions(-) (limited to 'xlators/performance/write-behind') diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c index 4437afce0..c9fc25a5b 100644 --- a/xlators/performance/write-behind/src/write-behind.c +++ b/xlators/performance/write-behind/src/write-behind.c @@ -66,14 +66,15 @@ typedef struct wb_file { typedef struct wb_request { - list_head_t list; - list_head_t winds; - list_head_t unwinds; - list_head_t other_requests; - call_stub_t *stub; - size_t write_size; - int32_t refcount; - wb_file_t *file; + list_head_t list; + list_head_t winds; + list_head_t unwinds; + list_head_t other_requests; + call_stub_t *stub; + size_t write_size; + int32_t refcount; + wb_file_t *file; + glusterfs_fop_t fop; union { struct { char write_behind; @@ -241,6 +242,7 @@ wb_enqueue (wb_file_t *file, call_stub_t *stub) request->stub = stub; request->file = file; + request->fop = stub->fop; frame = stub->frame; local = frame->local; @@ -2563,6 +2565,149 @@ wb_priv_dump (xlator_t *this) return 0; } + +void +__wb_dump_requests (struct list_head *head, char *prefix, char passive) +{ + char key[GF_DUMP_MAX_BUF_LEN]; + char key_prefix[GF_DUMP_MAX_BUF_LEN]; + wb_request_t *request = NULL; + + list_for_each_entry (request, head, list) { + gf_proc_dump_build_key (key, prefix, + passive ? "passive-request" + : "active-request"); + gf_proc_dump_build_key (key_prefix, key, + gf_fop_list[request->fop]); + + gf_proc_dump_add_section(key_prefix); + + gf_proc_dump_build_key (key, key_prefix, "request-ptr"); + gf_proc_dump_write (key, "%p", request); + + gf_proc_dump_build_key (key, key_prefix, "refcount"); + gf_proc_dump_write (key, "%d", request->refcount); + + if (request->fop == GF_FOP_WRITE) { + gf_proc_dump_build_key (key, key_prefix, "stack_wound"); + gf_proc_dump_write (key, "%d", + request->flags.write_request.stack_wound); + + gf_proc_dump_build_key (key, key_prefix, "size"); + gf_proc_dump_write (key, "%"GF_PRI_SIZET, + request->write_size); + + gf_proc_dump_build_key (key, key_prefix, "offset"); + gf_proc_dump_write (key, "%"PRId64, + request->stub->args.writev.off); + + gf_proc_dump_build_key (key, key_prefix, + "write_behind"); + gf_proc_dump_write (key, "%d", + request->flags.write_request.write_behind); + + gf_proc_dump_build_key (key, key_prefix, "got_reply"); + gf_proc_dump_write (key, "%d", + request->flags.write_request.got_reply); + + gf_proc_dump_build_key (key, key_prefix, "virgin"); + gf_proc_dump_write (key, "%d", + request->flags.write_request.virgin); + + gf_proc_dump_build_key (key, key_prefix, "flush_all"); + gf_proc_dump_write (key, "%d", + request->flags.write_request.flush_all); + } else { + gf_proc_dump_build_key (key, key_prefix, + "marked_for_resume"); + gf_proc_dump_write (key, "%d", + request->flags.other_requests.marked_for_resume); + } + } +} + + +int +wb_file_dump (xlator_t *this, fd_t *fd) +{ + wb_file_t *file = NULL; + uint64_t tmp_file = 0; + int32_t ret = -1; + char key[GF_DUMP_MAX_BUF_LEN]; + char key_prefix[GF_DUMP_MAX_BUF_LEN]; + + if ((fd == NULL) || (this == NULL)) { + ret = 0; + goto out; + } + + ret = fd_ctx_get (fd, this, &tmp_file); + if (ret == -1) { + ret = 0; + goto out; + } + + file = (wb_file_t *)(long)tmp_file; + if (file == NULL) { + ret = 0; + goto out; + } + + gf_proc_dump_build_key (key_prefix, + "xlator.performance.write-behind", + "file"); + + gf_proc_dump_add_section (key_prefix); + + gf_proc_dump_build_key (key, key_prefix, "fd"); + gf_proc_dump_write (key, "%p", fd); + + gf_proc_dump_build_key (key, key_prefix, "disabled"); + gf_proc_dump_write (key, "%d", file->disabled); + + gf_proc_dump_build_key (key, key_prefix, "disable_till"); + gf_proc_dump_write (key, "%lu", file->disable_till); + + gf_proc_dump_build_key (key, key_prefix, "window_conf"); + gf_proc_dump_write (key, "%"GF_PRI_SIZET, file->window_conf); + + gf_proc_dump_build_key (key, key_prefix, "window_current"); + gf_proc_dump_write (key, "%"GF_PRI_SIZET, file->window_current); + + gf_proc_dump_build_key (key, key_prefix, "flags"); + gf_proc_dump_write (key, "%s", (file->flags & O_APPEND) ? "O_APPEND" + : "!O_APPEND"); + + gf_proc_dump_build_key (key, key_prefix, "aggregate_current"); + gf_proc_dump_write (key, "%"GF_PRI_SIZET, file->aggregate_current); + + gf_proc_dump_build_key (key, key_prefix, "refcount"); + gf_proc_dump_write (key, "%d", file->refcount); + + gf_proc_dump_build_key (key, key_prefix, "op_ret"); + gf_proc_dump_write (key, "%d", file->op_ret); + + gf_proc_dump_build_key (key, key_prefix, "op_errno"); + gf_proc_dump_write (key, "%d", file->op_errno); + + LOCK (&file->lock); + { + if (!list_empty (&file->request)) { + __wb_dump_requests (&file->request, key_prefix, 0); + } + + if (!list_empty (&file->passive_requests)) { + __wb_dump_requests (&file->passive_requests, key_prefix, + 1); + } + } + UNLOCK (&file->lock); + +out: + return ret; +} + + int32_t mem_acct_init (xlator_t *this) { @@ -2750,6 +2895,7 @@ struct xlator_cbks cbks = { struct xlator_dumpops dumpops = { .priv = wb_priv_dump, + .fdctx = wb_file_dump, }; struct volume_options options[] = { -- cgit