File xen-tscinfo.c of Package xen-tscinfo

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File xen-tscinfo.c of Package xen-tscinfo

/* gcc -Wall -o xen-tscinfo -O -lxenctrl xen-tscinfo.c */
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <xenctrl.h>

int main(int argc, char *argv[])
{
	xc_interface *xch;
	unsigned int domid;
	int rc, ret = 1;
	unsigned int lflags;
	xentoollog_level lvl;
	xentoollog_logger *l;
	const char *tsc;
	unsigned int tsc_mode, khz, incarn;
	uint64_t nsec;

if (argc > 1)
		domid = atoi(argv[1]);

errno = 0;
	lvl = XTL_DEBUG;
	lflags = XTL_STDIOSTREAM_SHOW_PID | XTL_STDIOSTREAM_HIDE_PROGRESS;
	l = (xentoollog_logger *) xtl_createlogger_stdiostream(stderr, lvl, lflags);
	if (!l)
		goto out;

xch = xc_interface_open(l, 0, 0);
	if (!xch)
		goto out;
	rc = xc_domain_get_tsc_info(xch, domid, &tsc_mode, &nsec, &khz, &incarn);
	if (rc < 0)
		goto out;
	switch (tsc_mode) {
		case 0: tsc = "default"; break;
		case 1: tsc = "always_emulate"; break;
		case 2: tsc = "native"; break;
		case 3: tsc = "native_paravirt"; break;
		default: tsc = "unhandled"; break;
	}
	printf("domid=%u\ntsc_mode=%s\ntsc_mode_val=%u\ndomU_khz=%u\nincarnation=%u\nelapsed_nsec=%llu\n",
		domid, tsc, tsc_mode, khz, incarn, (unsigned long long)nsec);
	ret = 0;

out:
	perror(argv[0]);
	return ret;
}

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File xen-tscinfo.c of Package xen-tscinfo

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