#include <linux/err.h>
#include "perf.h"
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
#include "tests.h"
#include "debug.h"

#ifndef O_DIRECTORY
#define O_DIRECTORY    00200000
#endif
#ifndef AT_FDCWD
#define AT_FDCWD       -100
#endif

int test__syscall_openat_tp_fields(int subtest __maybe_unused)
{
	struct record_opts opts = {
		.target = {
			.uid = UINT_MAX,
			.uses_mmap = true,
		},
		.no_buffering = true,
		.freq	      = 1,
		.mmap_pages   = 256,
		.raw_samples  = true,
	};
	const char *filename = "/etc/passwd";
	int flags = O_RDONLY | O_DIRECTORY;
	struct perf_evlist *evlist = perf_evlist__new();
	struct perf_evsel *evsel;
	int err = -1, i, nr_events = 0, nr_polls = 0;
	char sbuf[STRERR_BUFSIZE];

	if (evlist == NULL) {
		pr_debug("%s: perf_evlist__new\n", __func__);
		goto out;
	}

	evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
	if (IS_ERR(evsel)) {
		pr_debug("%s: perf_evsel__newtp\n", __func__);
		goto out_delete_evlist;
	}

	perf_evlist__add(evlist, evsel);

	err = perf_evlist__create_maps(evlist, &opts.target);
	if (err < 0) {
		pr_debug("%s: perf_evlist__create_maps\n", __func__);
		goto out_delete_evlist;
	}

	perf_evsel__config(evsel, &opts, NULL);

	thread_map__set_pid(evlist->threads, 0, getpid());

	err = perf_evlist__open(evlist);
	if (err < 0) {
		pr_debug("perf_evlist__open: %s\n",
			 str_error_r(errno, sbuf, sizeof(sbuf)));
		goto out_delete_evlist;
	}

	err = perf_evlist__mmap(evlist, UINT_MAX, false);
	if (err < 0) {
		pr_debug("perf_evlist__mmap: %s\n",
			 str_error_r(errno, sbuf, sizeof(sbuf)));
		goto out_delete_evlist;
	}

	perf_evlist__enable(evlist);

	/*
	 * Generate the event:
	 */
	openat(AT_FDCWD, filename, flags);

	while (1) {
		int before = nr_events;

		for (i = 0; i < evlist->nr_mmaps; i++) {
			union perf_event *event;

			while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
				const u32 type = event->header.type;
				int tp_flags;
				struct perf_sample sample;

				++nr_events;

				if (type != PERF_RECORD_SAMPLE) {
					perf_evlist__mmap_consume(evlist, i);
					continue;
				}

				err = perf_evsel__parse_sample(evsel, event, &sample);
				if (err) {
					pr_debug("Can't parse sample, err = %d\n", err);
					goto out_delete_evlist;
				}

				tp_flags = perf_evsel__intval(evsel, &sample, "flags");

				if (flags != tp_flags) {
					pr_debug("%s: Expected flags=%#x, got %#x\n",
						 __func__, flags, tp_flags);
					goto out_delete_evlist;
				}

				goto out_ok;
			}
		}

		if (nr_events == before)
			perf_evlist__poll(evlist, 10);

		if (++nr_polls > 5) {
			pr_debug("%s: no events!\n", __func__);
			goto out_delete_evlist;
		}
	}
out_ok:
	err = 0;
out_delete_evlist:
	perf_evlist__delete(evlist);
out:
	return err;
}
on>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>udc</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='be11f436a80b19cb5ef4cdfba7371a5178bd43cd'/><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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 12:23:49 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 12:23:49 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>be11f436a80b19cb5ef4cdfba7371a5178bd43cd</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/udc?id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>757250a0fe53c3947d9f244ffb04e51b53d13143</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>drivers/usb/gadget/udc</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=472ff5be61f9593ee2d3ebbd716768e14de4659d'>472ff5be61f9593ee2d3ebbd716768e14de4659d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd&amp;id2=472ff5be61f9593ee2d3ebbd716768e14de4659d'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=d98e0929071e7ef63d35c1838b0ad0805ae366dd'>d98e0929071e7ef63d35c1838b0ad0805ae366dd</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd&amp;id2=d98e0929071e7ef63d35c1838b0ad0805ae366dd'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'pci-v4.10-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci</div><div class='commit-msg'>Pull PCI fixes from Bjorn Helgaas:

 - check MSI affinity vs. number of vectors to avoid memory corruption

 - drop runtime power management for PCIe hotplug ports for now to avoid
   regressing hotplug via sysfs

* tag 'pci-v4.10-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "PCI: pciehp: Add runtime PM support for PCIe hotplug ports"
  PCI/MSI: Don't apply affinity if there aren't enough vectors left
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>Diffstat</a> (limited to 'drivers/usb/gadget/udc')</div><table summary='diffstat' class='diffstat'>