Bug #2447 » 0001-refs-2447-TOP-isn-t-reporting-correctly-CPU-states-w.patch
| usr.bin/top/m_dragonfly.c | ||
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/* these are for detailing the cpu states */
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#define CPU_STATES 5
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int *cpu_states;
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int* cpu_averages;
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char *cpustatenames[CPU_STATES + 1] = {
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"user", "nice", "system", "interrupt", "idle", NULL
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};
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| ... | ... | |
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lastpid = 0;
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/* convert cp_time counts to percentages */
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int combine_cpus = (enable_ncpus == 0 && n_cpus > 1);
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for (cpu = 0; cpu < n_cpus; ++cpu) {
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cputime_percentages(cpu_states + cpu * CPU_STATES,
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&cp_time[cpu], &cp_old[cpu]);
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}
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if (combine_cpus) {
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if (cpu_averages == NULL) {
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cpu_averages = calloc(CPU_STATES, sizeof(*cpu_averages));
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if (cpu_averages == NULL)
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err(1, "cpu_averages");
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}
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memset(cpu_averages, 0, sizeof(*cpu_averages) * CPU_STATES);
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for (cpu = 0; cpu < n_cpus; ++cpu) {
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int j = 0;
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cpu_averages[0] += *(cpu_states + ((cpu * CPU_STATES) + j++) );
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cpu_averages[1] += *(cpu_states + ((cpu * CPU_STATES) + j++) );
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cpu_averages[2] += *(cpu_states + ((cpu * CPU_STATES) + j++) );
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cpu_averages[3] += *(cpu_states + ((cpu * CPU_STATES) + j++) );
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cpu_averages[4] += *(cpu_states + ((cpu * CPU_STATES) + j++) );
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}
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for (int i = 0; i < CPU_STATES; ++i)
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cpu_averages[i] /= n_cpus;
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}
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/* sum memory & swap statistics */
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{
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| ... | ... | |
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}
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/* set arrays and strings */
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si->cpustates = cpu_states;
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si->cpustates = combine_cpus == 1 ?
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cpu_averages : cpu_states;
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si->memory = memory_stats;
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si->swap = swap_stats;
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| usr.bin/top/top.1 | ||
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by a breakdown of processes per state. Examples of states common
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to Unix systems are sleeping, running, starting, stopped, and zombie.
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The next line displays a percentage of time spent in each of the
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processor states (typically user, nice, system, idle, and iowait).
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processor states (user, nice, system, interrupt, idle).
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These percentages show the processor activity during the time since
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the last update. For multi-processor systems, this information is
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a summation of time across all processors. The next line shows
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an average of all processors. The next line shows
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kernel-related activity (not available on all systems). The numbers
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shown on this line are per-second rates sampled since the last update.
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The exact
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