diff options
Diffstat (limited to 'libglusterfs/src/glusterfs/statedump.h')
-rw-r--r-- | libglusterfs/src/glusterfs/statedump.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/statedump.h b/libglusterfs/src/glusterfs/statedump.h new file mode 100644 index 00000000000..89d04f94587 --- /dev/null +++ b/libglusterfs/src/glusterfs/statedump.h @@ -0,0 +1,130 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef STATEDUMP_H +#define STATEDUMP_H + +#include <stdarg.h> +#include "glusterfs/inode.h" +#include "glusterfs/strfd.h" + +#define GF_DUMP_MAX_BUF_LEN 4096 + +typedef struct gf_dump_xl_options_ { + gf_boolean_t dump_priv; + gf_boolean_t dump_inode; + gf_boolean_t dump_fd; + gf_boolean_t dump_inodectx; + gf_boolean_t dump_fdctx; + gf_boolean_t dump_history; +} gf_dump_xl_options_t; + +typedef struct gf_dump_options_ { + gf_boolean_t dump_mem; + gf_boolean_t dump_iobuf; + gf_boolean_t dump_callpool; + gf_dump_xl_options_t xl_options; // options for all xlators + char *dump_path; +} gf_dump_options_t; + +extern gf_dump_options_t dump_options; + +__attribute__((__format__(__printf__, 3, 4))) static inline void +_gf_proc_dump_build_key(char *key, const char *prefix, const char *fmt, ...) +{ + va_list ap; + int32_t len; + + len = snprintf(key, GF_DUMP_MAX_BUF_LEN, "%s.", prefix); + if (len >= 0) { + va_start(ap, fmt); + len = vsnprintf(key + len, GF_DUMP_MAX_BUF_LEN - len, fmt, ap); + va_end(ap); + } + if (len < 0) { + *key = 0; + } +} + +#define gf_proc_dump_build_key(key, key_prefix, fmt...) \ + { \ + _gf_proc_dump_build_key(key, key_prefix, ##fmt); \ + } + +#define GF_PROC_DUMP_SET_OPTION(opt, val) opt = val + +#define GF_CHECK_DUMP_OPTION_ENABLED(option_dump, var, label) \ + do { \ + if (option_dump == _gf_true) { \ + var = _gf_false; \ + goto label; \ + } \ + } while (0); + +void +gf_proc_dump_init(); + +void +gf_proc_dump_fini(void); + +void +gf_proc_dump_cleanup(void); + +void +gf_proc_dump_info(int signum, glusterfs_ctx_t *ctx); + +int +gf_proc_dump_add_section(char *key, ...) + __attribute__((__format__(__printf__, 1, 2))); + +int +gf_proc_dump_write(char *key, char *value, ...) + __attribute__((__format__(__printf__, 2, 3))); + +void +inode_table_dump(inode_table_t *itable, char *prefix); + +void +inode_table_dump_to_dict(inode_table_t *itable, char *prefix, dict_t *dict); + +void +fdtable_dump(fdtable_t *fdtable, char *prefix); + +void +fdtable_dump_to_dict(fdtable_t *fdtable, char *prefix, dict_t *dict); + +void +inode_dump(inode_t *inode, char *prefix); + +void +gf_proc_dump_mem_info_to_dict(dict_t *dict); + +void +gf_proc_dump_mempool_info_to_dict(glusterfs_ctx_t *ctx, dict_t *dict); + +void +glusterd_init(int sig); + +void +gf_proc_dump_xlator_private(xlator_t *this, strfd_t *strfd); + +void +gf_proc_dump_mallinfo(strfd_t *strfd); + +void +gf_proc_dump_xlator_history(xlator_t *this, strfd_t *strfd); + +void +gf_proc_dump_xlator_meminfo(xlator_t *this, strfd_t *strfd); + +void +gf_proc_dump_xlator_profile(xlator_t *this, strfd_t *strfd); + +#endif /* STATEDUMP_H */ |