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ef7059dc50
With patch provided by Luke Dean <LukeD@pobox.com> PR: ports/123047 Submitted by: regisr <regisr@pobox.com>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
--- src/cpu_freebsd.c.orig 2008-05-03 07:05:31.000000000 +0200
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+++ src/cpu_freebsd.c 2008-05-03 07:12:09.000000000 +0200
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@@ -18,7 +18,8 @@
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#include <string.h>
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#include "cpu.h"
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-#include <kvm.h>
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+#include <sys/sysctl.h>
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+#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/param.h>
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@@ -29,24 +30,18 @@
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# include <sys/resource.h>
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#endif /* __FreeBSD_version < 500101 */
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-static kvm_t *kd = NULL;
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-static struct nlist nlst[] = { {"_cp_time"}, {0} };
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+static int sysctl_mib[2] = { -1, -1 };
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+static size_t sysctl_len;
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void
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cpu_init(void)
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{
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- kd = kvm_open(NULL, NULL, NULL, O_RDONLY, "kvm_open");
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+ sysctl_len = 2;
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+ sysctlnametomib("kern.cp_time", sysctl_mib, &sysctl_len);
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- if (kd == NULL) {
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- fprintf(stderr, "can't open kernel virtual memory");
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- exit(1);
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- }
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-
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- kvm_nlist(kd, nlst);
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-
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- if (nlst[0].n_type == 0) {
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- fprintf(stderr, "error extracting symbols");
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+ if (sysctl_mib[0] == -1) {
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+ fprintf(stderr, "unknown sysctl kern.cp_time");
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exit(1);
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}
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@@ -68,14 +63,14 @@
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int used, total, result;
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unsigned long int cpu_time[CPUSTATES];
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- if (kvm_read(kd, nlst[0].n_value, &cpu_time, sizeof(cpu_time)) !=
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- sizeof(cpu_time))
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- return 0;
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+ sysctl_len = sizeof(cpu_time);
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+ if (sysctl(sysctl_mib, 2, &cpu_time, &sysctl_len, NULL, 0) == -1)
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+ return 0;
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used = cpu_time[CP_USER] + cpu_time[CP_SYS];
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if (!opts->ignore_nice)
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used += cpu_time[CP_NICE];
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- total = used + cpu_time[CP_IDLE];
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+ total = used + cpu_time[CP_IDLE] + cpu_time[CP_NICE];
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if (pre_total == 0) {
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result = 0;
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