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Message-ID: <20110802035914.GA6626@hpt.nay.redhat.com> Date: Tue, 2 Aug 2011 11:59:14 +0800 From: Han Pingtian <phan@...hat.com> To: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org Subject: [BUG] perf kmem: Processed 0 events and LOST 75691! Hello, I got this with 3.0 perf, but the running kernel is a old one: [root@...dl580g7-01 perf]# ./perf kmem record sleep 1 [ perf record: Woken up 0 times to write data ] [ perf record: Captured and wrote 21.789 MB perf.data (~951977 samples) ] Processed 0 events and LOST 76148! Check IO/CPU overload! [root@...dl580g7-01 perf]# ./perf kmem stat Processed 0 events and LOST 76148! Check IO/CPU overload! SUMMARY ======= Total bytes requested: 5725028 Total bytes allocated: 6291512 Total bytes wasted on internal fragmentation: 566484 Internal fragmentation: 9.003941% Cross CPU allocations: 28/84295 Is this a bug? Thanks. -- Han Pingtian Quality Engineer hpt @ #kernel-qe Red Hat, Inc Freedom ... courage ... Commitment ... ACCOUNTABILITY -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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