From: valdis.kletnieks@vt.edu
To: Pintu Agarwal <pintu.ping@gmail.com>
Cc: mark.rutland@arm.com, Jungseok Lee <jungseoklee85@gmail.com>,
kernelnewbies@kernelnewbies.org, catalin.marinas@arm.com,
Sungjinn Chung <barami97@gmail.com>,
will.deacon@arm.com, open list <linux-kernel@vger.kernel.org>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Takahiro Akashi <takahiro.akashi@linaro.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [ARM64] Printing IRQ stack usage information
Date: Fri, 16 Nov 2018 11:46:18 -0500 [thread overview]
Message-ID: <5997.1542386778@turing-police.cc.vt.edu> (raw)
Message-ID: <20181116164618.K-HCOtYNm365HWJqoNx9Wx5KRR4n6r1HwwX_vlFzWJY@z> (raw)
In-Reply-To: <CAOuPNLg4tM6Cw8Yf9rdpkBOU=+Fh654yFQeAhJf1y88Gb3MAew@mail.gmail.com>
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On Fri, 16 Nov 2018 20:10:28 +0530, Pintu Agarwal said:
> > Look at the code controlled by '#ifdef CONFIG_DEBUG_STACK_USAGE'
> For example: is it possible to keep storing the irq_stack_usage (for
> each cpu in a variable) information from boot time, and then use this
> variable to dump the irq_stack information, after the system booted,
> may be from proc entry ?
Congrats. You just re-invented DEBUG_STACK_USAGE, which just keeps a high-water mark
for stack usage.
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next prev parent reply other threads:[~2018-11-16 16:46 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-15 13:22 [ARM64] Printing IRQ stack usage information Pintu Agarwal
2018-11-15 13:22 ` Pintu Agarwal
2018-11-15 16:49 ` valdis.kletnieks at vt.edu
2018-11-15 16:49 ` valdis.kletnieks
2018-11-16 6:14 ` Pintu Agarwal
2018-11-16 6:14 ` Pintu Agarwal
2018-11-16 11:33 ` valdis.kletnieks at vt.edu
2018-11-16 11:33 ` valdis.kletnieks
2018-11-16 14:40 ` Pintu Agarwal
2018-11-16 14:40 ` Pintu Agarwal
2018-11-16 16:46 ` valdis.kletnieks at vt.edu [this message]
2018-11-16 16:46 ` valdis.kletnieks
2018-11-16 17:43 ` Pintu Agarwal
2018-11-16 17:43 ` Pintu Agarwal
2018-11-16 18:31 ` valdis.kletnieks at vt.edu
2018-11-16 18:31 ` valdis.kletnieks
2018-11-17 13:06 ` Pintu Agarwal
2018-11-17 13:06 ` Pintu Agarwal
2018-11-20 12:51 ` Pintu Agarwal
2018-11-20 12:51 ` Pintu Agarwal
2018-11-20 19:03 ` valdis.kletnieks at vt.edu
2018-11-20 19:03 ` valdis.kletnieks
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