#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=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>uapi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/scsi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>scsi</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='a0c10687ec9506b5e14fe3dd47832a77f2f2500c'/><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>Bjorn Andersson &lt;bjorn.andersson@linaro.org&gt;</td><td class='right'>2016-12-30 03:21:38 -0800</td></tr>
<tr><th>committer</th><td>Bjorn Andersson &lt;bjorn.andersson@linaro.org&gt;</td><td class='right'>2016-12-30 03:26:31 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/scsi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>a0c10687ec9506b5e14fe3dd47832a77f2f2500c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/uapi/scsi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>a5e95d4bc6a67db98db71b5e288f6adc2deacc8f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/uapi/scsi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>include/uapi/scsi</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/scsi?id=c81c0e0710f031cb09eb7cbf0e75e6754d1d8346'>c81c0e0710f031cb09eb7cbf0e75e6754d1d8346</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/scsi?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c&amp;id2=c81c0e0710f031cb09eb7cbf0e75e6754d1d8346'>diff</a>)</td></tr></table>
<div class='commit-subject'>Revert "remoteproc: Merge table_ptr and cached_table pointers"</div><div class='commit-msg'>Following any fw_rsc_vdev entries in the resource table are two variable
length arrays, the first one reference vring resources and the second
one is the virtio config space.  The virtio config space is used by
virtio to communicate status and configuration changes and must as such
be shared with the remote.

The reverted commit incorrectly made any changes to the virtio config
space only affect the local copy, in an attempt to allowing memory
protection of the shared resource table.

This reverts commit cda8529346935fc86f476999ac4fbfe4e17abf11.
Signed-off-by: Bjorn Andersson &lt;bjorn.andersson@linaro.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=a0c10687ec9506b5e14fe3dd47832a77f2f2500c'>Diffstat</a> (limited to 'include/uapi/scsi')</div><table summary='diffstat' class='diffstat'>