<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">Hi Cyril,</div><div id="yui_3_16_0_ym19_1_1484143627478_21931"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">I've known that you're still busy with this time release, so I posted again to the mailing list so that anyone can help me to understand more clearly about perf test.</div><div id="yui_3_16_0_ym19_1_1484143627478_21931"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">I've post my first question in below link, so when you have time, please help me some hints. :-)<br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><a href="https://github.com/linux-test-project/ltp/commit/56152419dc836d8c00142a0387a2c9bf73a38ef8" style="background-color: rgb(255, 255, 255);" id="yui_3_16_0_ym19_1_1484143627478_22273">https://github.com/linux-test-project/ltp/commit/56152419dc836d8c00142a0387a2c9bf73a38ef8</a><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">(Summary: PERF_COUNT_HW_INSTRUCTIONS is EOPNOTSUPP, when exclude_kernel is set. I assumed that exclude_kernel is for SW event, so how can it affect to a HW perf ?)</div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">And my second issue, my perf_event_open02 is still failing on my board (embedded linux), when the testcase creates N+4 groups to force them to be multiplexed, the ratio is sometimes a bit higher than more than 0.0001 (but it's not close to N+4), exactly as the issue you've met before. Do you have any idea from your last time?</div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><img class="ymail-preserve-class inline-image-guid-409c5e5b-17a3-18bd-1ade-9ca84de6b682 rte-inline-saved-image" src="cid:7268b3b3-1833-5201-be34-5ce1b90a467b@yahoo.com" data-id="inline-image-guid-409c5e5b-17a3-18bd-1ade-9ca84de6b682" alt="Inline image" style="width:100%;max-width:800px;max-height:380px;" id="yui_3_16_0_ym19_1_1484143627478_22645"><br><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">Thanks a lot in advance,</div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr">Hoang</div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_21931" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_22005"><br></div><div id="yui_3_16_0_ym19_1_1484143627478_22055"><br></div></div></body></html>