20 lines
406 B
C
20 lines
406 B
C
#include <sys/times.h>
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#include <unistd.h>
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#include <stdio.h>
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int main(void) {
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struct tms buf;
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for(int i = 0, x = 1; i < 1e8; i++) x*=2;
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if(times(&buf) < 0) {
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printf("times error\n");
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return -1;
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}
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printf("utime: %ld stime: %ld cutime: %ld cstime: %ld\n", buf.tms_utime, buf.tms_cutime, buf.tms_cutime, buf.tms_cstime);
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printf("clk_tck: %d\n", sysconf(_SC_CLK_TCK));
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return 0;
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}
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