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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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This is a handy tool to just check state of one register, which might
not bother to be included in intel_reg_dumper tool. And also take in Ben's
original full range register dump with '-f' option.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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When using intel_gpu_top in a small terminal, the most important
information (ring idle/busy units) scrolls off the top of the screen.
This patch limits the number of lines printed to the terminal height
so that the most idle units (at the bottom) are truncated instead.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
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Introduce a second decoder that simpler operates on a file so that it
can be run on dumped batchbuffers independent of the gpu.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
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A simple variant on time crossed with intel_gpu_top to estimate the
amount of GPU activity during a program's execution time.
The resource usage (sys+user, i.e. CPU %) is for the child, but the
GPU measure is global. Hmm.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This just simplifies one step for fixing up an incompletely-parsed
dump.
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Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
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Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
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Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
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The error message was falsely claiming that a debugfs directory
didn't exist, when it was supposed to report that the ringbuffer
file did not exist within that directory.
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This shows off the units that are stuck busy in the ut2004 hang.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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The printf used to clear the screen didn't have a format string, this
adds one to avoid a compiler warning.
Signed-off-by: Eric Anholt <eric@anholt.net>
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It can be a bit easier to digest the percentages with bar graphs than by
scanning continually changing numbers.
Signed-off-by: Eric Anholt <eric@anholt.net>
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For a typical vsync locked application running at 60fps, sampling at just
under twice a frame doesn't seem to give very stable lists of relevent hardware
units because there are a number of units involved that may not be sampled one
second to the next.
This bumps the sample rate to 10,000 instead which is ~ 170 samples per
frame so we tend to hit all the units involved.
It also changes the report threshold to a sample count >= 1, so you don't
see as many units with a percentage of 0.
Signed-off-by: Eric Anholt <eric@anholt.net>
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This reverts commit 5e13b98da1e7e31cffba84fd257002357d5f2682.
We can print prettier graphs using unicode
Signed-off-by: Eric Anholt <eric@anholt.net>
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humans are pretty bad at reading percentages quicky; this patch adds a
histogram capability to make it more visually clear as to which lines are
big ticket items
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(cherry-pick from Mesa commit 0af7e9170fd7c0d906652378b9f78fe2ba9725ad)
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Not that we're really concerned about buffer-overrun attacks
against this utility, but still, good habits and clean code
are always preferred.
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This is the case where debugfs is mounted, the dri/0 directory
exists but there's no i915_ringbuffer_info file. Point the user
toward upgrading the driver.
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This helps for when the user makes a typo trying to pass a file
or directory name to intel_gpu_dump.
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This is a nice opportunity to teach the user something, (and help our
users to actually succeed in creating useful bug reports for us).
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