53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#if defined(CLOCK_BOOTTIME)
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#define CLOCK CLOCK_BOOTTIME
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#elif defined(CLOCK_UPTIME)
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#define CLOCK CLOCK_UPTIME
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#elif defined(__APPLE__)
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#define CLOCK CLOCK_MONOTONIC
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#endif
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int main(void) {
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/* Now date */
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time_t current_secs;
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time(¤t_secs);
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struct tm *current_time = localtime(¤t_secs);
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printf("%02u:%02u:%02u ", current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
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/* How long system has beep up */
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struct timespec uptime;
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if (clock_gettime(CLOCK, &uptime) != -1) {
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int days = uptime.tv_sec / 86400;
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int hours = uptime.tv_sec / 3600;
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int mins = (uptime.tv_sec / 60) - (uptime.tv_sec / 3600 * 60);
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printf("up:");
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if (days > 0)
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printf(" %d days", days);
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if (hours > 0)
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printf(" %d hours", hours);
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printf(" %d mins", mins);
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}
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/* Print 1, 5 and 15 minute load averages */
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double avg[3] = {0, 0, 0};
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if (getloadavg(avg, sizeof(avg) / sizeof(avg[0])) < 0) {
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fprintf(stderr, "getloadavg: getloadavg() failed\n");
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return 1;
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}
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printf(" load average: %.2f %.2f %.2f\n", avg[0], avg[1], avg[2]);
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return 0;
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}
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