#include <api/fs/tracing_path.h>
#include <linux/err.h>
#include "thread_map.h"
#include "evsel.h"
#include "debug.h"
#include "tests.h"

int test__openat_syscall_event(int subtest __maybe_unused)
{
	int err = -1, fd;
	struct perf_evsel *evsel;
	unsigned int nr_openat_calls = 111, i;
	struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX);
	char sbuf[STRERR_BUFSIZE];
	char errbuf[BUFSIZ];

	if (threads == NULL) {
		pr_debug("thread_map__new\n");
		return -1;
	}

	evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
	if (IS_ERR(evsel)) {
		tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat");
		pr_debug("%s\n", errbuf);
		goto out_thread_map_delete;
	}

	if (perf_evsel__open_per_thread(evsel, threads) < 0) {
		pr_debug("failed to open counter: %s, "
			 "tweak /proc/sys/kernel/perf_event_paranoid?\n",
			 str_error_r(errno, sbuf, sizeof(sbuf)));
		goto out_evsel_delete;
	}

	for (i = 0; i < nr_openat_calls; ++i) {
		fd = openat(0, "/etc/passwd", O_RDONLY);
		close(fd);
	}

	if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) {
		pr_debug("perf_evsel__read_on_cpu\n");
		goto out_close_fd;
	}

	if (perf_counts(evsel->counts, 0, 0)->val != nr_openat_calls) {
		pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
			 nr_openat_calls, perf_counts(evsel->counts, 0, 0)->val);
		goto out_close_fd;
	}

	err = 0;
out_close_fd:
	perf_evsel__close_fd(evsel, 1, threads->nr);
out_evsel_delete:
	perf_evsel__delete(evsel);
out_thread_map_delete:
	thread_map__put(threads);
	return err;
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>6fire</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Olof Johansson &lt;olof@lixom.net&gt;</td><td class='right'>2017-01-29 21:00:48 -0800</td></tr>
<tr><th>committer</th><td>Olof Johansson &lt;olof@lixom.net&gt;</td><td class='right'>2017-01-29 21:00:48 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>0a019a28e0ca0af7dc2691d1a9527960b07ad2bb</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>5ee1db9aacacd6af6701fb290e8a294ef3cc2bf2</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>sound/usb/6fire/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire/Makefile?id=ec026b5020688a8bde5fae9a69ae3c59b66ba3ae'>ec026b5020688a8bde5fae9a69ae3c59b66ba3ae</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb&amp;id2=ec026b5020688a8bde5fae9a69ae3c59b66ba3ae'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire/Makefile?id=8413299cb3933dade6186bbee8363f190032107e'>8413299cb3933dade6186bbee8363f190032107e</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/6fire/Makefile?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb&amp;id2=8413299cb3933dade6186bbee8363f190032107e'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'sti-dt-for-v4.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into fixes</div><div class='commit-msg'>STi DT fix:

Since v4.10-rc1, xhci is complaining in loop with :
    [  801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
    [  801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
    [  801.966611] usb usb6-port1: cannot disable (err = -32)

set property "snps,dis_u3_susphy_quirk" in DT fix it.

* tag 'sti-dt-for-v4.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
  ARM: dts: STiH407-family: set snps,dis_u3_susphy_quirk

Signed-off-by: Olof Johansson &lt;olof@lixom.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0a019a28e0ca0af7dc2691d1a9527960b07ad2bb'>Diffstat</a> (limited to 'sound/usb/6fire/Makefile')</div><table summary='diffstat' class='diffstat'>