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authorElliott Hughes <enh@google.com>2015-12-20 10:49:13 -0800
committerRob Landley <rob@landley.net>2015-12-21 11:17:44 -0600
commitfde3a9300868b7505b76a652be27ac42ee534df3 (patch)
tree4ad1716cb3ad49f0f29de92090fb8e8926cd9cf1 /toys/posix
parent908d9edb66e736f4004c91e148922cbb1d7b3090 (diff)
downloadtoybox-fde3a9300868b7505b76a652be27ac42ee534df3.tar.gz
Add ps -o psr,rtprio,sched.
These three are currently available in Android's ps but not in toybox ps.
Diffstat (limited to 'toys/posix')
-rw-r--r--toys/posix/ps.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c
index 2c1843ba..44d5b572 100644
--- a/toys/posix/ps.c
+++ b/toys/posix/ps.c
@@ -95,14 +95,17 @@ config PS
PID Process ID
PPID Parent Process ID
PRI Priority (higher is faster)
+ PSR Processor last executed on
RGID Real (before sgid) group ID
RGROUP Real (before sgid) group name
RSS Resident Set Size (memory in use)
+ RTPRIO Realtime priority
RUID Real (before suid) user ID
RUSER Real (before suid) user name
S Process state:
R (running) S (sleeping) D (device I/O) T (stopped) t (traced)
Z (zombie) X (deader) x (dead) K (wakekill) W (waking)
+ SCHED Scheduling policy (0=other, 1=fifo, 2=rr, 3=batch, 4=iso, 5=idle)
STAT Process state (S) plus:
< high priority N low priority L locked memory
s session leader + foreground l multithreaded
@@ -222,10 +225,12 @@ struct typography {
signed char width, slot;
} static const typos[] = TAGGED_ARRAY(PS,
- // stat#s: PID, PPID, PRI, NI, ADDR, SZ, RSS, PGID, VSZ, MAJFL, MINFL, PR
+ // stat#s: PID PPID PRI NI ADDR SZ RSS PGID VSZ MAJFL MINFL PR PSR RTPRIO
+ // SCHED
{"PID", 5, 0}, {"PPID", 5, 1}, {"PRI", 3, 15}, {"NI", 3, 16},
{"ADDR", 4+sizeof(long), 27}, {"SZ", 5, 20}, {"RSS", 5, 21}, {"PGID", 5, 2},
{"VSZ", 6, 20}, {"MAJFL", 6, 9}, {"MINFL", 6, 7}, {"PR", 2, 15},
+ {"PSR", 3, 36}, {"RTPRIO", 6, 37}, {"SCH", 3, 38},
// user/group: UID USER RUID RUSER GID GROUP RGID RGROUP
{"UID", 5, 31}, {"USER", -8, 64|31}, {"RUID", 4, 32}, {"RUSER", -8, 64|32},
@@ -286,8 +291,8 @@ static char *string_field(struct carveup *tb, struct strawberry *field)
// Default: unsupported (5 "C")
sprintf(out, "-");
- // stat#s: PID, PPID, PRI, NI, ADDR, SZ, RSS, PGID, VSZ, MAJFL, MINFL, PR
- if (which <= PS_PR) {
+ // stat#s: PID PPID PRI NI ADDR SZ RSS PGID VSZ MAJFL MINFL PR PSR RTPRIO SCH
+ if (which <= PS_SCH) {
char *fmt = "%lld";
if (which==PS_PRI) ll = 39-ll;
@@ -295,7 +300,8 @@ static char *string_field(struct carveup *tb, struct strawberry *field)
else if (which==PS_SZ) ll >>= 12;
else if (which==PS_RSS) ll <<= 2;
else if (which==PS_VSZ) ll >>= 10;
- else if (which==PS_PR) if (ll<-9) fmt="RT";
+ else if (which==PS_PR && ll<-9) fmt="RT";
+ else if (which==PS_RTPRIO && ll == 0) fmt="-";
sprintf(out, fmt, ll);
// user/group: UID USER RUID RUSER GID GROUP RGID RGROUP
@@ -680,9 +686,11 @@ static char *parse_ko(void *data, char *type, int length)
for (j = 0; j<2; j++) {
if (!j) s = typos[i].name;
// posix requires alternate names for some fields
- else if (-1==(k = stridx((char []){PS_NI, PS_ELAPSED, PS__CPU, PS_VSZ,
- PS_USER, 0}, i))) continue;
- else s = ((char *[]){"NICE", "ETIME", "PCPU", "VSIZE", "UNAME"})[k];
+ else if (-1==(k = stridx((char []){PS_NI, PS_SCH, PS_ELAPSED, PS__CPU,
+ PS_VSZ, PS_USER, 0}, i))) continue;
+ else {
+ s = ((char *[]){"NICE", "SCHED", "ETIME", "PCPU", "VSIZE", "UNAME"})[k];
+ }
if (!strncasecmp(type, s, end-type) && strlen(s)==end-type) break;
}