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Trace function graph after a page fault

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Rodrigo Arias 2024-07-10 11:34:40 +02:00
parent 6a63798308
commit 93936cbe14
2 changed files with 9 additions and 0 deletions
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1
JOURNAL.md
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@ -1113,3 +1113,4 @@ and then begins filling it, printing the progress in the output.
written=53248K, addr=0x3f9ec00020 OK written=53248K, addr=0x3f9ec00020 OK
written=57344K, addr=0x3f9f000020 OK written=57344K, addr=0x3f9f000020 OK
Let's see if we can trace the page fault.

8
lagarto-ox.nix
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@ -88,6 +88,14 @@
export PATH=${config.system.build.extraUtils}/bin export PATH=${config.system.build.extraUtils}/bin
mkdir -p /sys/kernel/debug/
mount -t debugfs none /sys/kernel/debug/
td=/sys/kernel/debug/tracing
echo nop > $td/current_tracer
echo 100 > $td/max_graph_depth
echo do_page_fault > $td/set_graph_function
echo function_graph > $td/current_tracer
#memtool chain $((512 * 1024)) #memtool chain $((512 * 1024))
memtool fill $((512 * 1024 * 1024)) memtool fill $((512 * 1024 * 1024))