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Call profclock() and statclock() explicitly on all cpus. Prior to this

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change these functions were called only on the BSP indirectly via hardclock().

top -P now shows usage statistics of all cpus.
This commit is contained in:
neel 2010-02-10 06:29:43 +00:00
parent 5b7c0a4237
commit 823d0c1a02
1 changed files with 19 additions and 10 deletions
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29
sys/mips/mips/tick.c
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@ -55,7 +55,7 @@ uint64_t counter_freq;
uint64_t cycles_per_tick;
uint64_t cycles_per_usec;
uint64_t cycles_per_sec;
uint64_t cycles_per_hz;
uint64_t cycles_per_hz, cycles_per_stathz, cycles_per_profhz;
u_int32_t counter_upper = 0;
u_int32_t counter_lower_last = 0;
@ -136,6 +136,9 @@ void
mips_timer_init_params(uint64_t platform_counter_freq, int double_count)
{
stathz = hz;
profhz = hz;
/*
* XXX: Do not use printf here: uart code 8250 may use DELAY so this
* function should be called before cninit.
@ -151,18 +154,23 @@ mips_timer_init_params(uint64_t platform_counter_freq, int double_count)
cycles_per_tick = counter_freq / 1000;
cycles_per_hz = counter_freq / hz;
cycles_per_stathz = counter_freq / stathz;
cycles_per_profhz = counter_freq / profhz;
cycles_per_usec = counter_freq / (1 * 1000 * 1000);
cycles_per_sec = counter_freq ;
counter_timecounter.tc_frequency = counter_freq;
printf("hz=%d cyl_per_hz:%jd cyl_per_usec:%jd freq:%jd cyl_per_hz:%jd cyl_per_sec:%jd\n",
printf("hz=%d cyl_per_tick:%jd cyl_per_usec:%jd freq:%jd "
"cyl_per_hz:%jd cyl_per_stathz:%jd cyl_per_profhz:%jd "
"cyl_per_sec:%jd\n",
hz,
cycles_per_tick,
cycles_per_usec,
counter_freq,
cycles_per_hz,
cycles_per_sec
);
cycles_per_stathz,
cycles_per_profhz,
cycles_per_sec);
set_cputicker(tick_ticker, counter_freq, 1);
}
@ -280,17 +288,18 @@ clock_intr(void *arg)
else
hardclock_cpu(USERMODE(tf->sr));
}
/* Fire statclock at stathz. */
cpu_ticks->stat_ticks += stathz;
if (cpu_ticks->stat_ticks >= cycles_per_hz) {
cpu_ticks->stat_ticks -= cycles_per_hz;
cpu_ticks->stat_ticks += cycles_per_tick;
if (cpu_ticks->stat_ticks >= cycles_per_stathz) {
cpu_ticks->stat_ticks -= cycles_per_stathz;
statclock(USERMODE(tf->sr));
}
/* Fire profclock at profhz, but only when needed. */
cpu_ticks->prof_ticks += profhz;
if (cpu_ticks->prof_ticks >= cycles_per_hz) {
cpu_ticks->prof_ticks -= cycles_per_hz;
cpu_ticks->prof_ticks += cycles_per_tick;
if (cpu_ticks->prof_ticks >= cycles_per_profhz) {
cpu_ticks->prof_ticks -= cycles_per_profhz;
if (profprocs != 0)
profclock(USERMODE(tf->sr), tf->pc);
}