diff options
| author | David Lamparter <equinox@opensourcerouting.org> | 2016-01-06 10:37:22 +0100 |
|---|---|---|
| committer | Christian Franke <nobody@nowhere.ws> | 2016-09-19 18:35:50 +0200 |
| commit | fc7948fafee457874a21aa955c56a617b563f85c (patch) | |
| tree | 919884f8b46b3b7ddbd6137d89dc8990e0739316 /lib/memory_vty.c | |
| parent | 3b4cd7837562cd78fe80bde94f5aa6729b2f755d (diff) | |
lib: migrate to new memory-type handling
Move over to the new allocation counting added in the previous commit.
(This commit is mostly mechanical.)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Acked-by: Vincent JARDIN <vincent.jardin@6wind.com>
Diffstat (limited to 'lib/memory_vty.c')
| -rw-r--r-- | lib/memory_vty.c | 270 |
1 files changed, 10 insertions, 260 deletions
diff --git a/lib/memory_vty.c b/lib/memory_vty.c index 8084aeba0f..fa9f50a23a 100644 --- a/lib/memory_vty.c +++ b/lib/memory_vty.c @@ -28,267 +28,17 @@ #include "log.h" #include "memory.h" - -static void alloc_inc (int); -static void alloc_dec (int); -static void log_memstats(int log_priority); - -static const struct message mstr [] = -{ - { MTYPE_THREAD, "thread" }, - { MTYPE_THREAD_MASTER, "thread_master" }, - { MTYPE_VECTOR, "vector" }, - { MTYPE_VECTOR_INDEX, "vector_index" }, - { MTYPE_IF, "interface" }, - { 0, NULL }, -}; - -/* Fatal memory allocation error occured. */ -static void __attribute__ ((noreturn)) -zerror (const char *fname, int type, size_t size) -{ - zlog_err ("%s : can't allocate memory for `%s' size %d: %s\n", - fname, lookup (mstr, type), (int) size, safe_strerror(errno)); - log_memstats(LOG_WARNING); - /* N.B. It might be preferable to call zlog_backtrace_sigsafe here, since - that function should definitely be safe in an OOM condition. But - unfortunately zlog_backtrace_sigsafe does not support syslog logging at - this time... */ - zlog_backtrace(LOG_WARNING); - abort(); -} - -/* - * Allocate memory of a given size, to be tracked by a given type. - * Effects: Returns a pointer to usable memory. If memory cannot - * be allocated, aborts execution. - */ -void * -zmalloc (int type, size_t size) -{ - void *memory; - - memory = malloc (size); - - if (memory == NULL) - zerror ("malloc", type, size); - - alloc_inc (type); - - return memory; -} - -/* - * Allocate memory as in zmalloc, and also clear the memory. - * Add an extra 'z' prefix to function name to avoid collision when linking - * statically with zlib that exports the 'zcalloc' symbol. - */ -void * -zzcalloc (int type, size_t size) -{ - void *memory; - - memory = calloc (1, size); - - if (memory == NULL) - zerror ("calloc", type, size); - - alloc_inc (type); - - return memory; -} - -/* - * Given a pointer returned by zmalloc or zzcalloc, free it and - * return a pointer to a new size, basically acting like realloc(). - * Requires: ptr was returned by zmalloc, zzcalloc, or zrealloc with the - * same type. - * Effects: Returns a pointer to the new memory, or aborts. - */ -void * -zrealloc (int type, void *ptr, size_t size) -{ - void *memory; - - if (ptr == NULL) /* is really alloc */ - return zzcalloc(type, size); - - memory = realloc (ptr, size); - if (memory == NULL) - zerror ("realloc", type, size); - if (ptr == NULL) - alloc_inc (type); - - return memory; -} - -/* - * Free memory allocated by z*alloc or zstrdup. - * Requires: ptr was returned by zmalloc, zzcalloc, or zrealloc with the - * same type. - * Effects: The memory is freed and may no longer be referenced. - */ -void -zfree (int type, void *ptr) -{ - if (ptr != NULL) - { - alloc_dec (type); - free (ptr); - } -} - -/* - * Duplicate a string, counting memory usage by type. - * Effects: The string is duplicated, and the return value must - * eventually be passed to zfree with the same type. The function will - * succeed or abort. - */ -char * -zstrdup (int type, const char *str) -{ - void *dup; - - dup = strdup (str); - if (dup == NULL) - zerror ("strdup", type, strlen (str)); - alloc_inc (type); - return dup; -} - -#ifdef MEMORY_LOG -static struct -{ - const char *name; - long alloc; - unsigned long t_malloc; - unsigned long c_malloc; - unsigned long t_calloc; - unsigned long c_calloc; - unsigned long t_realloc; - unsigned long t_free; - unsigned long c_strdup; -} mstat [MTYPE_MAX]; - -static void -mtype_log (char *func, void *memory, const char *file, int line, int type) -{ - zlog_debug ("%s: %s %p %s %d", func, lookup (mstr, type), memory, file, line); -} - -void * -mtype_zmalloc (const char *file, int line, int type, size_t size) -{ - void *memory; - - mstat[type].c_malloc++; - mstat[type].t_malloc++; - - memory = zmalloc (type, size); - mtype_log ("zmalloc", memory, file, line, type); - - return memory; -} - -void * -mtype_zcalloc (const char *file, int line, int type, size_t size) -{ - void *memory; - - mstat[type].c_calloc++; - mstat[type].t_calloc++; - - memory = zzcalloc (type, size); - mtype_log ("xcalloc", memory, file, line, type); - - return memory; -} - -void * -mtype_zrealloc (const char *file, int line, int type, void *ptr, size_t size) -{ - void *memory; - - /* Realloc need before allocated pointer. */ - mstat[type].t_realloc++; - - memory = zrealloc (type, ptr, size); - - mtype_log ("xrealloc", memory, file, line, type); - - return memory; -} - -/* Important function. */ -void -mtype_zfree (const char *file, int line, int type, void *ptr) -{ - mstat[type].t_free++; - - mtype_log ("xfree", ptr, file, line, type); - - zfree (type, ptr); -} - -char * -mtype_zstrdup (const char *file, int line, int type, const char *str) -{ - char *memory; - - mstat[type].c_strdup++; - - memory = zstrdup (type, str); - - mtype_log ("xstrdup", memory, file, line, type); - - return memory; -} -#else -static struct -{ - char *name; - long alloc; -} mstat [MTYPE_MAX]; -#endif /* MEMORY_LOG */ - -/* Increment allocation counter. */ -static void -alloc_inc (int type) -{ - mstat[type].alloc++; -} - -/* Decrement allocation counter. */ -static void -alloc_dec (int type) -{ - mstat[type].alloc--; -} +#include "memory_vty.h" /* Looking up memory status from vty interface. */ #include "vector.h" #include "vty.h" #include "command.h" -static void -log_memstats(int pri) -{ - struct mlist *ml; - - for (ml = mlists; ml->list; ml++) - { - struct memory_list *m; - - zlog (NULL, pri, "Memory utilization in module %s:", ml->name); - for (m = ml->list; m->index >= 0; m++) - if (m->index && mstat[m->index].alloc) - zlog (NULL, pri, " %-30s: %10ld", m->format, mstat[m->index].alloc); - } -} - void log_memstats_stderr (const char *prefix) { +#if 0 struct mlist *ml; struct memory_list *m; int i; @@ -325,8 +75,10 @@ log_memstats_stderr (const char *prefix) fprintf (stderr, "%s: memstats: No remaining tracked memory utilization.\n", prefix); +#endif } +#if 0 static void show_separator(struct vty *vty) { @@ -355,6 +107,7 @@ show_memory_vty (struct vty *vty, struct memory_list *list) } return needsep; } +#endif #ifdef HAVE_MALLINFO static int @@ -421,19 +174,22 @@ DEFUN (show_memory, "Show running system information\n" "Memory statistics\n") { - struct mlist *ml; int needsep = 0; #ifdef HAVE_MALLINFO needsep = show_memory_mallinfo (vty); #endif /* HAVE_MALLINFO */ - + + (void) needsep; +#if 0 + struct mlist *ml; for (ml = mlists; ml->list; ml++) { if (needsep) show_separator (vty); needsep = show_memory_vty (vty, ml->list); } +#endif qmem_walk(qmem_walker, vty); return CMD_SUCCESS; @@ -498,9 +254,3 @@ mtype_memstr (char *buf, size_t len, unsigned long bytes) return buf; } - -unsigned long -mtype_stats_alloc (int type) -{ - return mstat[type].alloc; -} |
