diff options
Diffstat (limited to 'toys/posix/ps.c')
| -rw-r--r-- | toys/posix/ps.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c index 1eddddeb..c0d382f6 100644 --- a/toys/posix/ps.c +++ b/toys/posix/ps.c @@ -100,7 +100,8 @@ config PS GROUP Group name LABEL Security label MAJFL Major page faults MINFL Minor page faults NAME Command name (argv[0]) NI Niceness (lower is faster) - PCPU Percentage of CPU time used PGID Process Group ID + PCPU Percentage of CPU time used PCY Android scheduling policy + PGID Process Group ID 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 @@ -304,15 +305,18 @@ enum { SLOT_rchar, /*All bytes read*/ SLOT_wchar, // All bytes written SLOT_rbytes, /*Disk bytes read*/ SLOT_wbytes, // Disk bytes written SLOT_swap, /*Swap pages used*/ SLOT_bits, // 32 or 64 - SLOT_tid, /*Thread ID*/ SLOT_tcount // Thread count + SLOT_tid, /*Thread ID*/ SLOT_tcount, // Thread count + SLOT_pcy, /*Android sched policy*/ + + SLOT_count }; // Data layout in toybuf struct carveup { - long long slot[58]; // data from /proc - unsigned short offset[5]; // offset of fields in str[] (skip name, always 0) + long long slot[SLOT_count]; // data (see enum above) + unsigned short offset[5]; // offset of fields in str[] (skip name, always 0) char state; - char str[]; // name, tty, command, wchan, attr, cmdline + char str[]; // name, tty, command, wchan, attr, cmdline }; // TODO: Android uses -30 for LABEL, but ideally it would auto-size. @@ -356,7 +360,7 @@ struct typography { // Misc {"STIME", 5, SLOT_starttime}, {"F", 1, 64|SLOT_flags}, {"S", -1, 64}, - {"STAT", -5, 64}, + {"STAT", -5, 64}, {"PCY", 3, 64|SLOT_pcy}, ); // Return 0 to discard, nonzero to keep @@ -518,7 +522,8 @@ static char *string_field(struct carveup *tb, struct strawberry *field) out = out+strlen(out)-3-abs(field->len); if (out<buf) out = buf; - } else if (CFG_TOYBOX_DEBUG) error_exit("bad which %d", which); + } else if (which==PS_PCY) sprintf(out, "%.2s", get_sched_policy_name(ll)); + else if (CFG_TOYBOX_DEBUG) error_exit("bad which %d", which); return out; } @@ -674,6 +679,9 @@ static int get_ps(struct dirtree *new) } } + // Do we need Android scheduling policy? + if (TT.bits&_PS_PCY) get_sched_policy(*slot, (SchedPolicy *)&slot[SLOT_pcy]); + // Fetch string data while parentfd still available, appending to buf. // (There's well over 3k of toybuf left. We could dynamically malloc, but // it'd almost never get used, querying length of a proc file is awkward, |