From b4d6c3d1bb461d2c8a396c9ed3881a4da40fc6ab Mon Sep 17 00:00:00 2001 From: Vijay Bellur Date: Sat, 15 Aug 2009 12:58:08 +0000 Subject: TAKE2[PATCH BUG:213 1/1] Support for Process State Dump Support for process state dump. Signed-off-by: Anand V. Avati BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213 --- libglusterfs/src/statedump.h | 78 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 libglusterfs/src/statedump.h (limited to 'libglusterfs/src/statedump.h') diff --git a/libglusterfs/src/statedump.h b/libglusterfs/src/statedump.h new file mode 100644 index 000000000..9ac50ec0c --- /dev/null +++ b/libglusterfs/src/statedump.h @@ -0,0 +1,78 @@ +/* + Copyright (c) 2009 Z RESEARCH, Inc. + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + . +*/ + + +#ifndef STATEDUMP_H +#define STATEDUMP_H + +#include +#include "inode.h" + +#define GF_DUMP_MAX_BUF_LEN 4096 + +#define GF_DUMP_LOGFILE_ROOT "/tmp/glusterdump" +#define GF_DUMP_LOGFILE_ROOT_LEN 256 + +static inline +void _gf_proc_dump_build_key (char *key, const char *prefix, char *fmt,...) +{ + char buf[GF_DUMP_MAX_BUF_LEN]; + va_list ap; + + memset(buf, 0, sizeof(buf)); + va_start(ap, fmt); + vsnprintf(buf, GF_DUMP_MAX_BUF_LEN, fmt, ap); + va_end(ap); + snprintf(key, GF_DUMP_MAX_BUF_LEN, "%s.%s", prefix, buf); +} + +#define gf_proc_dump_build_key(key, key_prefix, fmt...) \ +{\ + _gf_proc_dump_build_key(key, key_prefix, ##fmt);\ +} + +typedef void (*inode_priv_dump_fn) (inode_t *); + +void +gf_proc_dump_init(); + +void +gf_proc_dump_fini(void); + +void +gf_proc_dump_cleanup(void); + +void +gf_proc_dump_info(int signum); + +void +gf_proc_dump_add_section(char *key,...); + +void +gf_proc_dump_write(char *key, char *value,...); + +void +inode_table_dump(inode_table_t *itable, char *prefix, inode_priv_dump_fn fn); + +void +fdtable_dump(fdtable_t *fdtable, char *prefix); + +void +inode_dump(inode_t *inode, char *prefix, inode_priv_dump_fn fn); +#endif /* STATEDUMP_H */ -- cgit