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[192.55.52.136]) by mx.google.com with ESMTPS id m184si14181099pfb.166.2019.04.28.21.54.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 28 Apr 2019 21:54:10 -0700 (PDT) Received-SPF: pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.136 as permitted sender) client-ip=192.55.52.136; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.136 as permitted sender) smtp.mailfrom=ira.weiny@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Apr 2019 21:54:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,408,1549958400"; d="scan'208";a="146566315" Received: from iweiny-desk2.sc.intel.com ([10.3.52.157]) by orsmga003.jf.intel.com with ESMTP; 28 Apr 2019 21:54:09 -0700 From: ira.weiny@intel.com To: lsf-pc@lists.linux-foundation.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Dan Williams , Jan Kara , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , John Hubbard , Michal Hocko , Ira Weiny Subject: [RFC PATCH 09/10] fs/locks: Add tracepoint for SIGBUS on LONGTERM expiration Date: Sun, 28 Apr 2019 21:53:58 -0700 Message-Id: <20190429045359.8923-10-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190429045359.8923-1-ira.weiny@intel.com> References: <20190429045359.8923-1-ira.weiny@intel.com> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP From: Ira Weiny --- fs/locks.c | 1 + include/trace/events/filelock.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/locks.c b/fs/locks.c index c77eee081d11..42b96bfc71fa 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1592,6 +1592,7 @@ static void time_out_leases(struct inode *inode, struct list_head *dispose) if (fl->fl_flags & FL_LONGTERM) { tsk = find_task_by_vpid(fl->fl_pid); fl->fl_break_time = 1 + jiffies + lease_break_time * HZ; + trace_longterm_sigbus(fl); lease_modify_longterm(fl, F_UNLCK, dispose); kill_pid(tsk->thread_pid, SIGBUS, 0); } else { diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h index c6f39f03cb8b..626386dbe599 100644 --- a/include/trace/events/filelock.h +++ b/include/trace/events/filelock.h @@ -271,7 +271,9 @@ DEFINE_EVENT(longterm_lease, take_longterm_lease, DEFINE_EVENT(longterm_lease, release_longterm_lease, TP_PROTO(struct file_lock *fl), TP_ARGS(fl)); - +DEFINE_EVENT(longterm_lease, longterm_sigbus, + TP_PROTO(struct file_lock *fl), + TP_ARGS(fl)); #endif /* _TRACE_FILELOCK_H */