Release 4.14 tools/vm/slabinfo.c
// SPDX-License-Identifier: GPL-2.0
/*
* Slabinfo: Tool to get reports about slabs
*
* (C) 2007 sgi, Christoph Lameter
* (C) 2011 Linux Foundation, Christoph Lameter
*
* Compile with:
*
* gcc -o slabinfo slabinfo.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <strings.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <getopt.h>
#include <regex.h>
#include <errno.h>
#define MAX_SLABS 500
#define MAX_ALIASES 500
#define MAX_NODES 1024
struct slabinfo {
char *name;
int alias;
int refs;
int aliases, align, cache_dma, cpu_slabs, destroy_by_rcu;
int hwcache_align, object_size, objs_per_slab;
int sanity_checks, slab_size, store_user, trace;
int order, poison, reclaim_account, red_zone;
unsigned long partial, objects, slabs, objects_partial, objects_total;
unsigned long alloc_fastpath, alloc_slowpath;
unsigned long free_fastpath, free_slowpath;
unsigned long free_frozen, free_add_partial, free_remove_partial;
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, order_fallback;
unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;
unsigned long alloc_node_mismatch, deactivate_bypass;
unsigned long cpu_partial_alloc, cpu_partial_free;
int numa[MAX_NODES];
int numa_partial[MAX_NODES];
} slabinfo[MAX_SLABS];
struct aliasinfo {
char *name;
char *ref;
struct slabinfo *slab;
} aliasinfo[MAX_ALIASES];
int slabs;
int actual_slabs;
int aliases;
int alias_targets;
int highest_node;
char buffer[4096];
int show_empty;
int show_report;
int show_alias;
int show_slab;
int skip_zero = 1;
int show_numa;
int show_track;
int show_first_alias;
int validate;
int shrink;
int show_inverted;
int show_single_ref;
int show_totals;
int sort_size;
int sort_active;
int set_debug;
int show_ops;
int show_activity;
int output_lines = -1;
int sort_loss;
int extended_totals;
int show_bytes;
/* Debug options */
int sanity;
int redzone;
int poison;
int tracking;
int tracing;
int page_size;
regex_t pattern;
static void fatal(const char *x, ...)
{
va_list ap;
va_start(ap, x);
vfprintf(stderr, x, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 40 | 95.24% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 2.38% | 1 | 33.33% |
| Américo Wang | 1 | 2.38% | 1 | 33.33% |
| Total | 42 | 100.00% | 3 | 100.00% |
static void usage(void)
{
printf("slabinfo 4/15/2011. (c) 2007 sgi/(c) 2011 Linux Foundation.\n\n"
"slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n"
"-a|--aliases Show aliases\n"
"-A|--activity Most active slabs first\n"
"-d<options>|--debug=<options> Set/Clear Debug options\n"
"-D|--display-active Switch line format to activity\n"
"-e|--empty Show empty slabs\n"
"-f|--first-alias Show first alias\n"
"-h|--help Show usage information\n"
"-i|--inverted Inverted list\n"
"-l|--slabs Show slabs\n"
"-n|--numa Show NUMA information\n"
"-o|--ops Show kmem_cache_ops\n"
"-s|--shrink Shrink slabs\n"
"-r|--report Detailed report on single slabs\n"
"-S|--Size Sort by size\n"
"-t|--tracking Show alloc/free information\n"
"-T|--Totals Show summary information\n"
"-v|--validate Validate slabs\n"
"-z|--zero Include empty slabs\n"
"-1|--1ref Single reference\n"
"-N|--lines=K Show the first K slabs\n"
"-L|--Loss Sort by loss\n"
"-X|--Xtotals Show extended summary information\n"
"-B|--Bytes Show size in bytes\n"
"\nValid debug options (FZPUT may be combined)\n"
"a / A Switch on all debug options (=FZUP)\n"
"- Switch off all debug options\n"
"f / F Sanity Checks (SLAB_CONSISTENCY_CHECKS)\n"
"z / Z Redzoning\n"
"p / P Poisoning\n"
"u / U Tracking\n"
"t / T Tracing\n"
);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 39 | 86.67% | 4 | 40.00% |
| Sergey Senozhatsky | 4 | 8.89% | 4 | 40.00% |
| Ladinu Chandrasinghe | 1 | 2.22% | 1 | 10.00% |
| Laura Abbott | 1 | 2.22% | 1 | 10.00% |
| Total | 45 | 100.00% | 10 | 100.00% |
static unsigned long read_obj(const char *name)
{
FILE *f = fopen(name, "r");
if (!f)
buffer[0] = 0;
else {
if (!fgets(buffer, sizeof(buffer), f))
buffer[0] = 0;
fclose(f);
if (buffer[strlen(buffer)] == '\n')
buffer[strlen(buffer)] = 0;
}
return strlen(buffer);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 91 | 97.85% | 1 | 33.33% |
| Américo Wang | 1 | 1.08% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 1.08% | 1 | 33.33% |
| Total | 93 | 100.00% | 3 | 100.00% |
/*
* Get the contents of an attribute
*/
static unsigned long get_obj(const char *name)
{
if (!read_obj(name))
return 0;
return atol(buffer);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 27 | 93.10% | 1 | 33.33% |
| Américo Wang | 1 | 3.45% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 3.45% | 1 | 33.33% |
| Total | 29 | 100.00% | 3 | 100.00% |
static unsigned long get_obj_and_str(const char *name, char **x)
{
unsigned long result = 0;
char *p;
*x = NULL;
if (!read_obj(name)) {
x = NULL;
return 0;
}
result = strtoul(buffer, &p, 10);
while (*p == ' ')
p++;
if (*p)
*x = strdup(p);
return result;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 85 | 97.70% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 1.15% | 1 | 33.33% |
| Américo Wang | 1 | 1.15% | 1 | 33.33% |
| Total | 87 | 100.00% | 3 | 100.00% |
static void set_obj(struct slabinfo *s, const char *name, int n)
{
char x[100];
FILE *f;
snprintf(x, 100, "%s/%s", s->name, name);
f = fopen(x, "w");
if (!f)
fatal("Cannot write to %s\n", x);
fprintf(f, "%d\n", n);
fclose(f);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 74 | 93.67% | 2 | 50.00% |
| Américo Wang | 4 | 5.06% | 1 | 25.00% |
| Ladinu Chandrasinghe | 1 | 1.27% | 1 | 25.00% |
| Total | 79 | 100.00% | 4 | 100.00% |
static unsigned long read_slab_obj(struct slabinfo *s, const char *name)
{
char x[100];
FILE *f;
size_t l;
snprintf(x, 100, "%s/%s", s->name, name);
f = fopen(x, "r");
if (!f) {
buffer[0] = 0;
l = 0;
} else {
l = fread(buffer, 1, sizeof(buffer), f);
buffer[l] = 0;
fclose(f);
}
return l;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 100 | 94.34% | 1 | 33.33% |
| Américo Wang | 5 | 4.72% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 0.94% | 1 | 33.33% |
| Total | 106 | 100.00% | 3 | 100.00% |
/*
* Put a size string together
*/
static int store_size(char *buffer, unsigned long value)
{
unsigned long divisor = 1;
char trailer = 0;
int n;
if (!show_bytes) {
if (value > 1000000000UL) {
divisor = 100000000UL;
trailer = 'G';
} else if (value > 1000000UL) {
divisor = 100000UL;
trailer = 'M';
} else if (value > 1000UL) {
divisor = 100;
trailer = 'K';
}
}
value /= divisor;
n = sprintf(buffer, "%ld",value);
if (trailer) {
buffer[n] = trailer;
n++;
buffer[n] = 0;
}
if (divisor != 1) {
memmove(buffer + n - 2, buffer + n - 3, 4);
buffer[n-2] = '.';
n++;
}
return n;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 155 | 95.09% | 1 | 33.33% |
| Sergey Senozhatsky | 7 | 4.29% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 0.61% | 1 | 33.33% |
| Total | 163 | 100.00% | 3 | 100.00% |
static void decode_numa_list(int *numa, char *t)
{
int node;
int nr;
memset(numa, 0, MAX_NODES * sizeof(int));
if (!t)
return;
while (*t == 'N') {
t++;
node = strtoul(t, &t, 10);
if (*t == '=') {
t++;
nr = strtoul(t, &t, 10);
numa[node] = nr;
if (node > highest_node)
highest_node = node;
}
while (*t == ' ')
t++;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 114 | 99.13% | 2 | 66.67% |
| Ladinu Chandrasinghe | 1 | 0.87% | 1 | 33.33% |
| Total | 115 | 100.00% | 3 | 100.00% |
static void slab_validate(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
set_obj(s, "validate", 1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 33 | 97.06% | 2 | 66.67% |
| Ladinu Chandrasinghe | 1 | 2.94% | 1 | 33.33% |
| Total | 34 | 100.00% | 3 | 100.00% |
static void slab_shrink(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
set_obj(s, "shrink", 1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 33 | 97.06% | 2 | 66.67% |
| Ladinu Chandrasinghe | 1 | 2.94% | 1 | 33.33% |
| Total | 34 | 100.00% | 3 | 100.00% |
int line = 0;
static void first_line(void)
{
if (show_activity)
printf("Name Objects Alloc Free"
" %%Fast Fallb O CmpX UL\n");
else
printf("Name Objects Objsize %s "
"Slabs/Part/Cpu O/S O %%Fr %%Ef Flg\n",
sort_loss ? " Loss" : "Space");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 21 | 67.74% | 2 | 40.00% |
| Sergey Senozhatsky | 9 | 29.03% | 2 | 40.00% |
| Ladinu Chandrasinghe | 1 | 3.23% | 1 | 20.00% |
| Total | 31 | 100.00% | 5 | 100.00% |
/*
* Find the shortest alias of a slab
*/
static struct aliasinfo *find_one_alias(struct slabinfo *find)
{
struct aliasinfo *a;
struct aliasinfo *best = NULL;
for(a = aliasinfo;a < aliasinfo + aliases; a++) {
if (a->slab == find &&
(!best || strlen(best->name) < strlen(a->name))) {
best = a;
if (strncmp(a->name,"kmall", 5) == 0)
return best;
}
}
return best;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 95 | 98.96% | 1 | 50.00% |
| Ladinu Chandrasinghe | 1 | 1.04% | 1 | 50.00% |
| Total | 96 | 100.00% | 2 | 100.00% |
static unsigned long slab_size(struct slabinfo *s)
{
return s->slabs * (page_size << s->order);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 24 | 96.00% | 1 | 50.00% |
| Ladinu Chandrasinghe | 1 | 4.00% | 1 | 50.00% |
| Total | 25 | 100.00% | 2 | 100.00% |
static unsigned long slab_activity(struct slabinfo *s)
{
return s->alloc_fastpath + s->free_fastpath +
s->alloc_slowpath + s->free_slowpath;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 28 | 96.55% | 1 | 50.00% |
| Ladinu Chandrasinghe | 1 | 3.45% | 1 | 50.00% |
| Total | 29 | 100.00% | 2 | 100.00% |
static unsigned long slab_waste(struct slabinfo *s)
{
return slab_size(s) - s->objects * s->object_size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sergey Senozhatsky | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static void slab_numa(struct slabinfo *s, int mode)
{
int node;
if (strcmp(s->name, "*") == 0)
return;
if (!highest_node) {
printf("\n%s: No NUMA information available.\n", s->name);
return;
}
if (skip_zero && !s->slabs)
return;
if (!line) {
printf("\n%-21s:", mode ? "NUMA nodes" : "Slab");
for(node = 0; node <= highest_node; node++)
printf(" %4d", node);
printf("\n----------------------");
for(node = 0; node <= highest_node; node++)
printf("-----");
printf("\n");
}
printf("%-21s ", mode ? "All slabs" : s->name);
for(node = 0; node <= highest_node; node++) {
char b[20];
store_size(b, s->numa[node]);
printf(" %4s", b);
}
printf("\n");
if (mode) {
printf("%-21s ", "Partial slabs");
for(node = 0; node <= highest_node; node++) {
char b[20];
store_size(b, s->numa_partial[node]);
printf(" %4s", b);
}
printf("\n");
}
line++;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 242 | 99.59% | 2 | 66.67% |
| Ladinu Chandrasinghe | 1 | 0.41% | 1 | 33.33% |
| Total | 243 | 100.00% | 3 | 100.00% |
static void show_tracking(struct slabinfo *s)
{
printf("\n%s: Kernel object allocation\n", s->name);
printf("-----------------------------------------------------------------------\n");
if (read_slab_obj(s, "alloc_calls"))
printf("%s", buffer);
else
printf("No Data\n");
printf("\n%s: Kernel object freeing\n", s->name);
printf("------------------------------------------------------------------------\n");
if (read_slab_obj(s, "free_calls"))
printf("%s", buffer);
else
printf("No Data\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 82 | 98.80% | 3 | 75.00% |
| Ladinu Chandrasinghe | 1 | 1.20% | 1 | 25.00% |
| Total | 83 | 100.00% | 4 | 100.00% |
static void ops(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
if (read_slab_obj(s, "ops")) {
printf("\n%s: kmem_cache operations\n", s->name);
printf("--------------------------------------------\n");
printf("%s", buffer);
} else
printf("\n%s has no kmem_cache operations\n", s->name);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 66 | 98.51% | 2 | 66.67% |
| Ladinu Chandrasinghe | 1 | 1.49% | 1 | 33.33% |
| Total | 67 | 100.00% | 3 | 100.00% |
static const char *onoff(int x)
{
if (x)
return "On ";
return "Off";
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 20 | 95.24% | 1 | 50.00% |
| Ladinu Chandrasinghe | 1 | 4.76% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
static void slab_stats(struct slabinfo *s)
{
unsigned long total_alloc;
unsigned long total_free;
unsigned long total;
if (!s->alloc_slab)
return;
total_alloc = s->alloc_fastpath + s->alloc_slowpath;
total_free = s->free_fastpath + s->free_slowpath;
if (!total_alloc)
return;
printf("\n");
printf("Slab Perf Counter Alloc Free %%Al %%Fr\n");
printf("--------------------------------------------------\n");
printf("Fastpath %8lu %8lu %3lu %3lu\n",
s->alloc_fastpath, s->free_fastpath,
s->alloc_fastpath * 100 / total_alloc,
total_free ? s->free_fastpath * 100 / total_free : 0);
printf("Slowpath %8lu %8lu %3lu %3lu\n",
total_alloc - s->alloc_fastpath, s->free_slowpath,
(total_alloc - s->alloc_fastpath) * 100 / total_alloc,
total_free ? s->free_slowpath * 100 / total_free : 0);
printf("Page Alloc %8lu %8lu %3lu %3lu\n",
s->alloc_slab, s->free_slab,
s->alloc_slab * 100 / total_alloc,
total_free ? s->free_slab * 100 / total_free : 0);
printf("Add partial %8lu %8lu %3lu %3lu\n",
s->deactivate_to_head + s->deactivate_to_tail,
s->free_add_partial,
(s->deactivate_to_head + s->deactivate_to_tail) * 100 / total_alloc,
total_free ? s->free_add_partial * 100 / total_free : 0);
printf("Remove partial %8lu %8lu %3lu %3lu\n",
s->alloc_from_partial, s->free_remove_partial,
s->alloc_from_partial * 100 / total_alloc,
total_free ? s->free_remove_partial * 100 / total_free : 0);
printf("Cpu partial list %8lu %8lu %3lu %3lu\n",
s->cpu_partial_alloc, s->cpu_partial_free,
s->cpu_partial_alloc * 100 / total_alloc,
total_free ? s->cpu_partial_free * 100 / total_free : 0);
printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n",
s->deactivate_remote_frees, s->free_frozen,
s->deactivate_remote_frees * 100 / total_alloc,
total_free ? s->free_frozen * 100 / total_free : 0);
printf("Total %8lu %8lu\n\n", total_alloc, total_free);
if (s->cpuslab_flush)
printf("Flushes %8lu\n", s->cpuslab_flush);
total = s->deactivate_full + s->deactivate_empty +
s->deactivate_to_head + s->deactivate_to_tail + s->deactivate_bypass;
if (total) {
printf("\nSlab Deactivation Occurrences %%\n");
printf("-------------------------------------------------\n");
printf("Slab full %7lu %3lu%%\n",
s->deactivate_full, (s->deactivate_full * 100) / total);
printf("Slab empty %7lu %3lu%%\n",
s->deactivate_empty, (s->deactivate_empty * 100) / total);
printf("Moved to head of partial list %7lu %3lu%%\n",
s->deactivate_to_head, (s->deactivate_to_head * 100) / total);
printf("Moved to tail of partial list %7lu %3lu%%\n",
s->deactivate_to_tail, (s->deactivate_to_tail * 100) / total);
printf("Deactivation bypass %7lu %3lu%%\n",
s->deactivate_bypass, (s->deactivate_bypass * 100) / total);
printf("Refilled from foreign frees %7lu %3lu%%\n",
s->alloc_refill, (s->alloc_refill * 100) / total);
printf("Node mismatch %7lu %3lu%%\n",
s->alloc_node_mismatch, (s->alloc_node_mismatch * 100) / total);
}
if (s->cmpxchg_double_fail || s->cmpxchg_double_cpu_fail) {
printf("\nCmpxchg_double Looping\n------------------------\n");
printf("Locked Cmpxchg Double redos %lu\nUnlocked Cmpxchg Double redos %lu\n",
s->cmpxchg_double_fail, s->cmpxchg_double_cpu_fail);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 512 | 94.12% | 3 | 42.86% |
| Jianpeng Ma (马建朋) | 28 | 5.15% | 1 | 14.29% |
| Dan Carpenter | 2 | 0.37% | 1 | 14.29% |
| Ladinu Chandrasinghe | 1 | 0.18% | 1 | 14.29% |
| Colin Ian King | 1 | 0.18% | 1 | 14.29% |
| Total | 544 | 100.00% | 7 | 100.00% |
static void report(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
printf("\nSlabcache: %-15s Aliases: %2d Order : %2d Objects: %lu\n",
s->name, s->aliases, s->order, s->objects);
if (s->hwcache_align)
printf("** Hardware cacheline aligned\n");
if (s->cache_dma)
printf("** Memory is allocated in a special DMA zone\n");
if (s->destroy_by_rcu)
printf("** Slabs are destroyed via RCU\n");
if (s->reclaim_account)
printf("** Reclaim accounting active\n");
printf("\nSizes (bytes) Slabs Debug Memory\n");
printf("------------------------------------------------------------------------\n");
printf("Object : %7d Total : %7ld Sanity Checks : %s Total: %7ld\n",
s->object_size, s->slabs, onoff(s->sanity_checks),
s->slabs * (page_size << s->order));
printf("SlabObj: %7d Full : %7ld Redzoning : %s Used : %7ld\n",
s->slab_size, s->slabs - s->partial - s->cpu_slabs,
onoff(s->red_zone), s->objects * s->object_size);
printf("SlabSiz: %7d Partial: %7ld Poisoning : %s Loss : %7ld\n",
page_size << s->order, s->partial, onoff(s->poison),
s->slabs * (page_size << s->order) - s->objects * s->object_size);
printf("Loss : %7d CpuSlab: %7d Tracking : %s Lalig: %7ld\n",
s->slab_size - s->object_size, s->cpu_slabs, onoff(s->store_user),
(s->slab_size - s->object_size) * s->objects);
printf("Align : %7d Objects: %7d Tracing : %s Lpadd: %7ld\n",
s->align, s->objs_per_slab, onoff(s->trace),
((page_size << s->order) - s->objs_per_slab * s->slab_size) *
s->slabs);
ops(s);
show_tracking(s);
slab_numa(s, 1);
slab_stats(s);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Lameter | 310 | 99.36% | 3 | 60.00% |
| Sergey Senozhatsky | 1 | 0.32% | 1 | 20.00% |
| Ladinu Chandrasinghe | 1 | 0.32% | 1 | 20.00% |
| Total | 312 | 100.00% | 5 | 100.00% |
static void slabcache(struct slabinfo *s)
{
char size_str[20];
char dist_str[40];
char flags[20];
char *p = flags;
if (strcmp(s->name, "*") == 0)
return;
if (actual_slabs == 1) {
report(s);
return;
}
if (skip_zero && !show_empty && !s->slabs)
return;
if (show_empty && s->slabs)
return;
if (sort_loss == 0)
store_size(size_str, slab_size(s));
else
store_size(size_str, slab_waste(s));
snprintf(dist_str, 40, "%lu/%lu/%d", s->slabs - s->cpu_slabs,
s->partial, s->cpu_slabs);
if (!line++)
first_line();
if (s->aliases)
*p++ = '*';
if (s->cache_dma)
*p++ = 'd';
if (s->hwcache_align)
*p++ = 'A';
if (s->poison)
*p++ = 'P';
if (s->reclaim_account)
*p++ = 'a';
if (s->red_zone)
*p++ = 'Z';
if (s->sanity_checks)
*p++ = 'F';
if (s->store_user)
*p++ = 'U';
if (s->trace)
*p++ = 'T';
*p = 0;
if (show_activity) {
unsigned long total_alloc;
unsigned long total_free;
total_alloc = s->alloc_fastpath + s->alloc_slowpath;
total_free = s->free_fastpath + s->free_slowpath;
printf("%-21s %8ld %10ld %10ld %3ld %3ld %5ld %1d %4ld %4ld\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,
s->order_fallback, s->order, s->cmpxchg_double_fail,
s->cmpxchg_double_cpu_fail);
} else {
printf("%-21s %8ld %7d %15s %14s %4d %1d %3ld %3ld %s\n",
s->name, s->objects, s->object_size, size_str, dist_str,
s->objs_per_slab, s->order,
s->slabs ? (s->partial * 100) / s->slabs : 100,
s->slabs ? (s->objects * s->object_size * 100) /
(s->slabs * (page_size << s->order))