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am 39274417: toolbox: Add scheduling policy display to top/ps

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Merge commit '392744175c4de67dc98e72da6745e6351118c985' into eclair-mr2

* commit '392744175c4de67dc98e72da6745e6351118c985':
  toolbox: Add scheduling policy display to top/ps
This commit is contained in:
San Mehat 2009-10-28 11:43:15 -07:00 committed by Android Git Automerger
commit 0d6f587f92
2 changed files with 51 additions and 9 deletions
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26
toolbox/ps.c
View file

@ -11,6 +11,8 @@
#include <pwd.h>
#include <cutils/sched_policy.h>
static char *nexttoksep(char **strp, char *sep)
{
@ -24,6 +26,7 @@ static char *nexttok(char **strp)
#define SHOW_PRIO 1
#define SHOW_TIME 2
#define SHOW_POLICY 4
static int display_flags = 0;
@ -138,12 +141,26 @@ static int ps_line(int pid, int tid, char *namefilter)
}
if(!namefilter || !strncmp(name, namefilter, strlen(namefilter))) {
printf("%-8s %-5d %-5d %-5d %-5d", user, pid, ppid, vss / 1024, rss * 4);
printf("%-9s %-5d %-5d %-6d %-5d", user, pid, ppid, vss / 1024, rss * 4);
if(display_flags&SHOW_PRIO)
printf(" %-5d %-5d %-5d %-5d", prio, nice, rtprio, sched);
if (display_flags & SHOW_POLICY) {
SchedPolicy p;
if (get_sched_policy(pid, &p) < 0)
printf(" un ");
else {
if (p == SP_BACKGROUND)
printf(" bg ");
else if (p == SP_FOREGROUND)
printf(" fg ");
else
printf(" er ");
}
}
printf(" %08x %08x %s %s", wchan, eip, state, cmdline[0] ? cmdline : name);
if(display_flags&SHOW_TIME)
printf(" (u:%d, s:%d)", utime, stime);
printf("\n");
}
return 0;
@ -186,6 +203,8 @@ int ps_main(int argc, char **argv)
threads = 1;
} else if(!strcmp(argv[1],"-x")) {
display_flags |= SHOW_TIME;
} else if(!strcmp(argv[1],"-P")) {
display_flags |= SHOW_POLICY;
} else if(!strcmp(argv[1],"-p")) {
display_flags |= SHOW_PRIO;
} else if(isdigit(argv[1][0])){
@ -197,8 +216,9 @@ int ps_main(int argc, char **argv)
argv++;
}
printf("USER PID PPID VSIZE RSS %sWCHAN PC NAME\n",
(display_flags&SHOW_PRIO)?"PRIO NICE RTPRI SCHED ":"");
printf("USER PID PPID VSIZE RSS %s %s WCHAN PC NAME\n",
(display_flags&SHOW_PRIO)?"PRIO NICE RTPRI SCHED ":"",
(display_flags&SHOW_POLICY)?"PCY " : "");
while((de = readdir(d)) != 0){
if(isdigit(de->d_name[0])){
int pid = atoi(de->d_name);

34
toolbox/top.c
View file

@ -39,6 +39,8 @@
#include <sys/types.h>
#include <unistd.h>
#include <cutils/sched_policy.h>
struct cpu_info {
long unsigned utime, ntime, stime, itime;
long unsigned iowtime, irqtime, sirqtime;
@ -64,6 +66,7 @@ struct proc_info {
long vss;
long rss;
int num_threads;
char policy[32];
};
struct proc_list {
@ -88,6 +91,7 @@ static struct proc_info *alloc_proc(void);
static void free_proc(struct proc_info *proc);
static void read_procs(void);
static int read_stat(char *filename, struct proc_info *proc);
static void read_policy(int pid, struct proc_info *proc);
static void add_proc(int proc_num, struct proc_info *proc);
static int read_cmdline(char *filename, struct proc_info *proc);
static int read_status(char *filename, struct proc_info *proc);
@ -260,6 +264,8 @@ static void read_procs(void) {
sprintf(filename, "/proc/%d/status", pid);
read_status(filename, proc);
read_policy(pid, proc);
proc->num_threads = 0;
} else {
sprintf(filename, "/proc/%d/cmdline", pid);
@ -289,6 +295,8 @@ static void read_procs(void) {
sprintf(filename, "/proc/%d/task/%d/stat", pid, tid);
read_stat(filename, proc);
read_policy(tid, proc);
strcpy(proc->name, cur_proc.name);
proc->uid = cur_proc.uid;
proc->gid = cur_proc.gid;
@ -368,6 +376,20 @@ static int read_cmdline(char *filename, struct proc_info *proc) {
return 0;
}
static void read_policy(int pid, struct proc_info *proc) {
SchedPolicy p;
if (get_sched_policy(pid, &p) < 0)
strcpy(proc->policy, "unk");
else {
if (p == SP_BACKGROUND)
strcpy(proc->policy, "bg");
else if (p == SP_FOREGROUND)
strcpy(proc->policy, "fg");
else
strcpy(proc->policy, "er");
}
}
static int read_status(char *filename, struct proc_info *proc) {
FILE *file;
char line[MAX_LINE];
@ -432,9 +454,9 @@ static void print_procs(void) {
total_delta_time);
printf("\n");
if (!threads)
printf("%5s %4s %1s %5s %7s %7s %-8s %s\n", "PID", "CPU%", "S", "#THR", "VSS", "RSS", "UID", "Name");
printf("%5s %4s %1s %5s %7s %7s %3s %-8s %s\n", "PID", "CPU%", "S", "#THR", "VSS", "RSS", "PCY", "UID", "Name");
else
printf("%5s %5s %4s %1s %7s %7s %-8s %-15s %s\n", "PID", "TID", "CPU%", "S", "VSS", "RSS", "UID", "Thread", "Proc");
printf("%5s %5s %4s %1s %7s %7s %3s %-8s %-15s %s\n", "PID", "TID", "CPU%", "S", "VSS", "RSS", "PCY", "UID", "Thread", "Proc");
for (i = 0; i < num_new_procs; i++) {
proc = new_procs[i];
@ -456,11 +478,11 @@ static void print_procs(void) {
group_str = group_buf;
}
if (!threads)
printf("%5d %3ld%% %c %5d %6ldK %6ldK %-8.8s %s\n", proc->pid, proc->delta_time * 100 / total_delta_time, proc->state, proc->num_threads,
proc->vss / 1024, proc->rss * getpagesize() / 1024, user_str, proc->name[0] != 0 ? proc->name : proc->tname);
printf("%5d %3ld%% %c %5d %6ldK %6ldK %3s %-8.8s %s\n", proc->pid, proc->delta_time * 100 / total_delta_time, proc->state, proc->num_threads,
proc->vss / 1024, proc->rss * getpagesize() / 1024, proc->policy, user_str, proc->name[0] != 0 ? proc->name : proc->tname);
else
printf("%5d %5d %3ld%% %c %6ldK %6ldK %-8.8s %-15s %s\n", proc->pid, proc->tid, proc->delta_time * 100 / total_delta_time, proc->state,
proc->vss / 1024, proc->rss * getpagesize() / 1024, user_str, proc->tname, proc->name);
printf("%5d %5d %3ld%% %c %6ldK %6ldK %3s %-8.8s %-15s %s\n", proc->pid, proc->tid, proc->delta_time * 100 / total_delta_time, proc->state,
proc->vss / 1024, proc->rss * getpagesize() / 1024, proc->policy, user_str, proc->tname, proc->name);
}
}