* "readprofile -s -m /boot/System.map-test | grep __d_lookup | sort -n -k3"
*/
-#include <getopt.h>
#include <errno.h>
-#include <stdio.h>
#include <fcntl.h>
+#include <getopt.h>
+#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
-#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <sys/utsname.h>
+#include <unistd.h>
-#include "xalloc.h"
#include "nls.h"
+#include "xalloc.h"
#define S_LEN 128
static char defaultmap[]="/boot/System.map";
static char defaultpro[]="/proc/profile";
-static FILE *
-myopen(char *name, char *mode, int *flag) {
+static FILE *myopen(char *name, char *mode, int *flag)
+{
int len = strlen(name);
- if (!strcmp(name+len-3,".gz")) {
+ if (!strcmp(name + len - 3, ".gz")) {
FILE *res;
- char *cmdline = xmalloc(len+6);
+ char *cmdline = xmalloc(len + 6);
sprintf(cmdline, "zcat %s", name);
- res = popen(cmdline,mode);
+ res = popen(cmdline, mode);
free(cmdline);
*flag = 1;
return res;
}
*flag = 0;
- return fopen(name,mode);
+ return fopen(name, mode);
}
#ifndef BOOT_SYSTEM_MAP
#define BOOT_SYSTEM_MAP "/boot/System.map-"
#endif
-static char *
-boot_uname_r_str(void) {
+
+static char *boot_uname_r_str(void)
+{
struct utsname uname_info;
char *s;
size_t len;
return s;
}
-static void __attribute__((__noreturn__))
-usage(FILE *out) {
+static void __attribute__ ((__noreturn__))
+ usage(FILE * out)
+{
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
fputs(USAGE_OPTIONS, out);
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
-int
-main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
FILE *map;
int proFd;
- char *mapFile, *proFile, *mult=0;
- size_t len=0, indx=1;
- unsigned long long add0=0;
+ char *mapFile, *proFile, *mult = 0;
+ size_t len = 0, indx = 1;
+ unsigned long long add0 = 0;
unsigned int step;
unsigned int *buf, total, fn_len;
- unsigned long long fn_add, next_add; /* current and next address */
- char fn_name[S_LEN], next_name[S_LEN]; /* current and next name */
+ unsigned long long fn_add, next_add; /* current and next address */
+ char fn_name[S_LEN], next_name[S_LEN]; /* current and next name */
char mode[8];
int c;
ssize_t rc;
- int optAll=0, optInfo=0, optReset=0, optVerbose=0, optNative=0;
- int optBins=0, optSub=0;
+ int optAll = 0, optInfo = 0, optReset = 0, optVerbose = 0, optNative = 0;
+ int optBins = 0, optSub = 0;
char mapline[S_LEN];
- int maplineno=1;
- int popenMap; /* flag to tell if popen() has been used */
+ int maplineno = 1;
+ int popenMap; /* flag to tell if popen() has been used */
int header_printed;
- static const char optstring[]="m:p:M:ivabsrnVh";
+ static const char optstring[] = "m:p:M:ivabsrnVh";
static const struct option longopts[] = {
{"mapfile", required_argument, NULL, 'm'},
{"profile", required_argument, NULL, 'p'},
mapFile = defaultmap;
while ((c = getopt_long(argc, argv, optstring, longopts, NULL)) != -1) {
- switch(c) {
+ switch (c) {
case 'm':
mapFile = optarg;
break;
if (optReset || mult) {
int multiplier, fd, to_write;
- /*
- * When writing the multiplier, if the length of the write is
- * not sizeof(int), the multiplier is not changed
- */
+ /* When writing the multiplier, if the length of the
+ * write is not sizeof(int), the multiplier is not
+ * changed. */
if (mult) {
multiplier = strtoul(mult, 0, 10);
to_write = sizeof(int);
} else {
multiplier = 0;
- to_write = 1; /* sth different from sizeof(int) */
+ /* sth different from sizeof(int) */
+ to_write = 1;
}
/* try to become root, just in case */
setuid(0);
- fd = open(defaultpro,O_WRONLY);
+ fd = open(defaultpro, O_WRONLY);
if (fd < 0)
err(EXIT_FAILURE, "%s", defaultpro);
if (write(fd, &multiplier, to_write) != to_write)
exit(EXIT_SUCCESS);
}
- /*
- * Use an fd for the profiling buffer, to skip stdio overhead
- */
- if (((proFd=open(proFile,O_RDONLY)) < 0)
- || ((int)(len=lseek(proFd,0,SEEK_END)) < 0)
- || (lseek(proFd,0,SEEK_SET) < 0))
+ /* Use an fd for the profiling buffer, to skip stdio overhead */
+ if (((proFd = open(proFile, O_RDONLY)) < 0)
+ || ((int)(len = lseek(proFd, 0, SEEK_END)) < 0)
+ || (lseek(proFd, 0, SEEK_SET) < 0))
err(EXIT_FAILURE, "%s", proFile);
buf = xmalloc(len);
- rc = read(proFd,buf,len);
+ rc = read(proFd, buf, len);
if (rc < 0 || (size_t) rc != len)
- err(EXIT_FAILURE,"%s", proFile);
+ err(EXIT_FAILURE, "%s", proFile);
close(proFd);
if (!optNative) {
- int entries = len/sizeof(*buf);
- int big = 0,small = 0;
+ int entries = len / sizeof(*buf);
+ int big = 0, small = 0;
unsigned *p;
size_t i;
- for (p = buf+1; p < buf+entries; p++) {
- if (*p & ~0U << (sizeof(*buf)*4))
+ for (p = buf + 1; p < buf + entries; p++) {
+ if (*p & ~0U << (sizeof(*buf) * 4))
big++;
- if (*p & ((1 << (sizeof(*buf)*4))-1))
+ if (*p & ((1 << (sizeof(*buf) * 4)) - 1))
small++;
}
if (big > small) {
warnx(_("Assuming reversed byte order. "
"Use -n to force native byte order."));
- for (p = buf; p < buf+entries; p++)
- for (i = 0; i < sizeof(*buf)/2; i++) {
- unsigned char *b = (unsigned char *) p;
+ for (p = buf; p < buf + entries; p++)
+ for (i = 0; i < sizeof(*buf) / 2; i++) {
+ unsigned char *b = (unsigned char *)p;
unsigned char tmp;
-
tmp = b[i];
- b[i] = b[sizeof(*buf)-i-1];
- b[sizeof(*buf)-i-1] = tmp;
+ b[i] = b[sizeof(*buf) - i - 1];
+ b[sizeof(*buf) - i - 1] = tmp;
}
}
}
if (optInfo) {
printf(_("Sampling_step: %i\n"), step);
exit(EXIT_SUCCESS);
- }
+ }
total = 0;
if (map == NULL)
err(EXIT_FAILURE, "%s", mapFile);
- while (fgets(mapline,S_LEN,map)) {
+ while (fgets(mapline, S_LEN, map)) {
if (sscanf(mapline, "%llx %s %s", &fn_add, mode, fn_name) != 3)
errx(EXIT_FAILURE, _("%s(%i): wrong map line"), mapFile,
maplineno);
/* only elf works like this */
- if (!strcmp(fn_name,"_stext") || !strcmp(fn_name,"__stext")) {
+ if (!strcmp(fn_name, "_stext") || !strcmp(fn_name, "__stext")) {
add0 = fn_add;
break;
}
/*
* Main loop.
*/
- while (fgets(mapline,S_LEN,map)) {
- unsigned int this=0;
+ while (fgets(mapline, S_LEN, map)) {
+ unsigned int this = 0;
int done = 0;
if (sscanf(mapline, "%llx %s %s", &next_add, mode, next_name) != 3)
!strcmp(next_name, "__etext"))
done = 1;
else {
- /* ignore any LEADING (before a '[tT]' symbol is found)
- Absolute symbols and __init_end because some
- architectures place it before .text section */
+ /* ignore any LEADING (before a '[tT]' symbol
+ * is found) Absolute symbols and __init_end
+ * because some architectures place it before
+ * .text section */
if ((*mode == 'A' || *mode == '?')
&& (total == 0 || !strcmp(next_name, "__init_end")))
continue;
errx(EXIT_FAILURE,
_("profile address out of range. Wrong map file?"));
- while (indx < (next_add-add0)/step) {
+ while (indx < (next_add - add0) / step) {
if (optBins && (buf[indx] || optAll)) {
if (!header_printed) {
- printf ("%s:\n", fn_name);
+ printf("%s:\n", fn_name);
header_printed = 1;
}
- printf ("\t%llx\t%u\n", (indx - 1)*step + add0, buf[indx]);
+ printf("\t%llx\t%u\n", (indx - 1) * step + add0,
+ buf[indx]);
}
this += buf[indx++];
}
if (optBins) {
if (optVerbose || this > 0)
- printf (" total\t\t\t\t%u\n", this);
+ printf(" total\t\t\t\t%u\n", this);
} else if ((this || optAll) &&
- (fn_len = next_add-fn_add) != 0) {
+ (fn_len = next_add - fn_add) != 0) {
if (optVerbose)
printf("%016llx %-40s %6i %8.4f\n", fn_add,
- fn_name,this,this/(double)fn_len);
+ fn_name, this, this / (double)fn_len);
else
printf("%6i %-40s %8.4f\n",
- this,fn_name,this/(double)fn_len);
+ this, fn_name, this / (double)fn_len);
if (optSub) {
unsigned long long scan;
- for (scan = (fn_add-add0)/step + 1;
- scan < (next_add-add0)/step; scan++) {
+ for (scan = (fn_add - add0) / step + 1;
+ scan < (next_add - add0) / step;
+ scan++) {
unsigned long long addr;
-
- addr = (scan - 1)*step + add0;
+ addr = (scan - 1) * step + add0;
printf("\t%#llx\t%s+%#llx\t%u\n",
addr, fn_name, addr - fn_add,
buf[scan]);
}
fn_add = next_add;
- strcpy(fn_name,next_name);
+ strcpy(fn_name, next_name);
maplineno++;
if (done)
}
/* clock ticks, out of kernel text - probably modules */
- printf("%6i %s\n", buf[len/sizeof(*buf)-1], "*unknown*");
+ printf("%6i %s\n", buf[len / sizeof(*buf) - 1], "*unknown*");
/* trailer */
if (optVerbose)
printf("%016x %-40s %6i %8.4f\n",
- 0,"total",total,total/(double)(fn_add-add0));
+ 0, "total", total, total / (double)(fn_add - add0));
else
printf("%6i %-40s %8.4f\n",
- total,_("total"),total/(double)(fn_add-add0));
-
+ total, _("total"), total / (double)(fn_add - add0));
+
popenMap ? pclose(map) : fclose(map);
exit(EXIT_SUCCESS);
}
projects / thirdparty / util-linux.git / commitdiff
