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Code Issues Releases Activity

Better parsing of process names containing funky chars

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This commit is contained in:
Pavel Labath 2009-06-14 00:02:50 +02:00
parent f2176e6f54
commit 9e976d9dc4
2 changed files with 15 additions and 14 deletions
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28
src/top.c
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@ -117,9 +117,9 @@ static int process_parse_stat(struct process *process)
unsigned long kernel_time = 0;
int rc;
char *r, *q;
char deparenthesised_name[BUFFER_LEN];
int endl;
int nice_val;
char *lparen, *rparen;
snprintf(filename, sizeof(filename), PROCFS_TEMPLATE, process->pid);
@ -139,16 +139,22 @@ static int process_parse_stat(struct process *process)
}
/* Extract cpu times from data in /proc filesystem */
rc = sscanf(line, "%*s %s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %lu "
"%lu %*s %*s %*s %d %*s %*s %*s %u %u", procname, &process->user_time,
lparen = strchr(line, '(');
rparen = strrchr(line, ')');
if(!lparen || !rparen || rparen < lparen)
return 1; // this should not happen
rc = MIN((unsigned)(rparen - lparen - 1), sizeof(procname) - 1);
strncpy(procname, lparen + 1, rc);
procname[rc] = '\0';
rc = sscanf(rparen + 1, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %lu "
"%lu %*s %*s %*s %d %*s %*s %*s %u %u", &process->user_time,
&process->kernel_time, &nice_val, &process->vsize, &process->rss);
if (rc < 5) {
return 1;
}
/* Remove parentheses from the process name stored in /proc/ under Linux */
r = procname + 1;
/* remove any "kdeinit: " */
if (r == strstr(r, "kdeinit")) {
if (procname == strstr(procname, "kdeinit")) {
snprintf(filename, sizeof(filename), PROCFS_CMDLINE_TEMPLATE,
process->pid);
@ -170,24 +176,18 @@ static int process_parse_stat(struct process *process)
r = (char *) line;
}
q = deparenthesised_name;
q = procname;
/* stop at space */
while (*r && *r != ' ') {
*q++ = *r++;
}
*q = 0;
} else {
q = deparenthesised_name;
while (*r && *r != ')') {
*q++ = *r++;
}
*q = 0;
}
if (process->name) {
free(process->name);
}
process->name = strndup(deparenthesised_name, text_buffer_size);
process->name = strndup(procname, text_buffer_size);
process->rss *= getpagesize();
if (!cur->memmax) {

1
src/top.h
View File

@ -56,6 +56,7 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/time.h>
#include <regex.h>