From: Torsten Duwe <duwe@lst.de>
To: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
julien.thierry@arm.com, rostedt@goodmis.org, jpoimboe@redhat.com,
mingo@redhat.com, Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Arnd Bergmann <arnd@arndb.de>,
takahiro.akashi@linaro.org,
LAK <linux-arm-kernel@lists.infradead.org>,
linux-kernel@vger.kernel.org, live-patching@vger.kernel.org
Subject: Re: [PATCH v5] arm64: implement ftrace with regs
Date: Fri, 4 Jan 2019 15:13:34 +0100 [thread overview]
Message-ID: <20190104141333.GA21411@lst.de> (raw)
In-Reply-To: <CADGdYn5rrLZGrXUPA+HcKfA1pECYnwT0B1-j3YBzdt773zjORw@mail.gmail.com>
On Mon, Dec 17, 2018 at 09:52:04AM +0530, Amit Daniel Kachhap wrote:
> There is no error message or crash but no useful output like below,
>
> /sys/kernel/tracing # echo wake_up_process > set_graph_function
> /sys/kernel/tracing # echo function_graph > current_tracer
> /sys/kernel/tracing # cat trace
> # tracer: function_graph
> #
> # CPU DURATION FUNCTION CALLS
> # | | | | | | |
It turned out the graph caller works perfectly, I only broke the filtering.
Fixed now in v6; thanks a lot for testing!
Torsten
prev parent reply other threads:[~2019-01-04 14:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-30 16:20 [PATCH v5] arm64: implement ftrace with regs Torsten Duwe
2018-12-13 17:31 ` Amit Daniel Kachhap
2018-12-14 9:47 ` Torsten Duwe
2018-12-14 16:15 ` Amit Daniel Kachhap
2018-12-15 12:41 ` Torsten Duwe
2018-12-17 4:22 ` Amit Daniel Kachhap
2018-12-17 13:34 ` Torsten Duwe
2019-01-04 14:13 ` Torsten Duwe [this message]
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