/*
* Slabinfo: Tool to get reports about slabs
*
- * (C) 2007 sgi, Christoph Lameter <clameter@sgi.com>
+ * (C) 2007 sgi, Christoph Lameter
*
* Compile by:
*
unsigned long alloc_from_partial, alloc_slab, free_slab, alloc_refill;
unsigned long cpuslab_flush, deactivate_full, deactivate_empty;
unsigned long deactivate_to_head, deactivate_to_tail;
- unsigned long deactivate_remote_frees;
+ unsigned long deactivate_remote_frees, order_fallback;
int numa[MAX_NODES];
int numa_partial[MAX_NODES];
} slabinfo[MAX_SLABS];
regex_t pattern;
-void fatal(const char *x, ...)
+static void fatal(const char *x, ...)
{
va_list ap;
exit(EXIT_FAILURE);
}
-void usage(void)
+static void usage(void)
{
- printf("slabinfo 5/7/2007. (c) 2007 sgi. clameter@sgi.com\n\n"
+ printf("slabinfo 5/7/2007. (c) 2007 sgi.\n\n"
"slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n"
"-a|--aliases Show aliases\n"
"-A|--activity Most active slabs first\n"
);
}
-unsigned long read_obj(const char *name)
+static unsigned long read_obj(const char *name)
{
FILE *f = fopen(name, "r");
/*
* Get the contents of an attribute
*/
-unsigned long get_obj(const char *name)
+static unsigned long get_obj(const char *name)
{
if (!read_obj(name))
return 0;
return atol(buffer);
}
-unsigned long get_obj_and_str(const char *name, char **x)
+static unsigned long get_obj_and_str(const char *name, char **x)
{
unsigned long result = 0;
char *p;
return result;
}
-void set_obj(struct slabinfo *s, const char *name, int n)
+static void set_obj(struct slabinfo *s, const char *name, int n)
{
char x[100];
FILE *f;
fclose(f);
}
-unsigned long read_slab_obj(struct slabinfo *s, const char *name)
+static unsigned long read_slab_obj(struct slabinfo *s, const char *name)
{
char x[100];
FILE *f;
/*
* Put a size string together
*/
-int store_size(char *buffer, unsigned long value)
+static int store_size(char *buffer, unsigned long value)
{
unsigned long divisor = 1;
char trailer = 0;
return n;
}
-void decode_numa_list(int *numa, char *t)
+static void decode_numa_list(int *numa, char *t)
{
int node;
int nr;
}
}
-void slab_validate(struct slabinfo *s)
+static void slab_validate(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
set_obj(s, "validate", 1);
}
-void slab_shrink(struct slabinfo *s)
+static void slab_shrink(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
int line = 0;
-void first_line(void)
+static void first_line(void)
{
if (show_activity)
- printf("Name Objects Alloc Free %%Fast\n");
+ printf("Name Objects Alloc Free %%Fast Fallb O\n");
else
printf("Name Objects Objsize Space "
"Slabs/Part/Cpu O/S O %%Fr %%Ef Flg\n");
/*
* Find the shortest alias of a slab
*/
-struct aliasinfo *find_one_alias(struct slabinfo *find)
+static struct aliasinfo *find_one_alias(struct slabinfo *find)
{
struct aliasinfo *a;
struct aliasinfo *best = NULL;
return best;
}
-unsigned long slab_size(struct slabinfo *s)
+static unsigned long slab_size(struct slabinfo *s)
{
return s->slabs * (page_size << s->order);
}
-unsigned long slab_activity(struct slabinfo *s)
+static unsigned long slab_activity(struct slabinfo *s)
{
return s->alloc_fastpath + s->free_fastpath +
s->alloc_slowpath + s->free_slowpath;
}
-void slab_numa(struct slabinfo *s, int mode)
+static void slab_numa(struct slabinfo *s, int mode)
{
int node;
line++;
}
-void show_tracking(struct slabinfo *s)
+static void show_tracking(struct slabinfo *s)
{
printf("\n%s: Kernel object allocation\n", s->name);
printf("-----------------------------------------------------------------------\n");
}
-void ops(struct slabinfo *s)
+static void ops(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
printf("\n%s has no kmem_cache operations\n", s->name);
}
-const char *onoff(int x)
+static const char *onoff(int x)
{
if (x)
return "On ";
return "Off";
}
-void slab_stats(struct slabinfo *s)
+static void slab_stats(struct slabinfo *s)
{
unsigned long total_alloc;
unsigned long total_free;
s->deactivate_to_tail, (s->deactivate_to_tail * 100) / total);
}
-void report(struct slabinfo *s)
+static void report(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
slab_stats(s);
}
-void slabcache(struct slabinfo *s)
+static void slabcache(struct slabinfo *s)
{
char size_str[20];
char dist_str[40];
total_alloc = s->alloc_fastpath + s->alloc_slowpath;
total_free = s->free_fastpath + s->free_slowpath;
- printf("%-21s %8ld %8ld %8ld %3ld %3ld \n",
+ printf("%-21s %8ld %10ld %10ld %3ld %3ld %5ld %1d\n",
s->name, s->objects,
total_alloc, total_free,
total_alloc ? (s->alloc_fastpath * 100 / total_alloc) : 0,
- total_free ? (s->free_fastpath * 100 / total_free) : 0);
+ total_free ? (s->free_fastpath * 100 / total_free) : 0,
+ s->order_fallback, s->order);
}
else
printf("%-21s %8ld %7d %8s %14s %4d %1d %3ld %3ld %s\n",
/*
* Analyze debug options. Return false if something is amiss.
*/
-int debug_opt_scan(char *opt)
+static int debug_opt_scan(char *opt)
{
if (!opt || !opt[0] || strcmp(opt, "-") == 0)
return 1;
return 1;
}
-int slab_empty(struct slabinfo *s)
+static int slab_empty(struct slabinfo *s)
{
if (s->objects > 0)
return 0;
return 1;
}
-void slab_debug(struct slabinfo *s)
+static void slab_debug(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
set_obj(s, "trace", 1);
}
-void totals(void)
+static void totals(void)
{
struct slabinfo *s;
b1, b2, b3);
}
-void sort_slabs(void)
+static void sort_slabs(void)
{
struct slabinfo *s1,*s2;
}
}
-void sort_aliases(void)
+static void sort_aliases(void)
{
struct aliasinfo *a1,*a2;
}
}
-void link_slabs(void)
+static void link_slabs(void)
{
struct aliasinfo *a;
struct slabinfo *s;
}
}
-void alias(void)
+static void alias(void)
{
struct aliasinfo *a;
char *active = NULL;
}
-void rename_slabs(void)
+static void rename_slabs(void)
{
struct slabinfo *s;
struct aliasinfo *a;
}
}
-int slab_mismatch(char *slab)
+static int slab_mismatch(char *slab)
{
return regexec(&pattern, slab, 0, NULL, 0);
}
-void read_slab_dir(void)
+static void read_slab_dir(void)
{
DIR *dir;
struct dirent *de;
slab->deactivate_to_head = get_obj("deactivate_to_head");
slab->deactivate_to_tail = get_obj("deactivate_to_tail");
slab->deactivate_remote_frees = get_obj("deactivate_remote_frees");
+ slab->order_fallback = get_obj("order_fallback");
chdir("..");
if (slab->name[0] == ':')
alias_targets++;
fatal("Too many aliases\n");
}
-void output_slabs(void)
+static void output_slabs(void)
{
struct slabinfo *slab;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff