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Try tracing handle_page_fault

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Rodrigo Arias 2024-07-10 13:02:43 +02:00
parent b562c9650f
commit 4c2e21033b
2 changed files with 16 additions and 2 deletions
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6
JOURNAL.md
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@ -1119,6 +1119,9 @@ In today's meeting, Jonnatan suggests test the memtool program with all-in-order
configuration. I should also try to reproduce this hang with a "production" configuration. I should also try to reproduce this hang with a "production"
bitstream (from master). bitstream (from master).
Also, Xavi reports that the memtool chain test continued to run until the memory
was exhausted using an old bistream.
Let's do the quick CSR test first, and then we go back to the ftrace testing, Let's do the quick CSR test first, and then we go back to the ftrace testing,
which will take more time. which will take more time.
@ -1164,3 +1167,6 @@ more slow.
Interesting [article](https://wiki.osdev.org/RISC-V_Bare_Bones) on how to write Interesting [article](https://wiki.osdev.org/RISC-V_Bare_Bones) on how to write
a simple bootrom that outputs some ASCII text into the console. a simple bootrom that outputs some ASCII text into the console.
Regarding the `do_page_fault` filter, it seems that is no available. I need to
pick one from `available_filter_functions` instead. Let's try `handle_page_fault`.

12
lagarto-ox.nix
View File

@ -88,7 +88,15 @@
export PATH=${config.system.build.extraUtils}/bin export PATH=${config.system.build.extraUtils}/bin
csrtool all-in-order mkdir -p /tracing
mount -t tracefs nodev /tracing
cd /tracing
echo nop > current_tracer
echo 100 > max_graph_depth
echo handle_page_fault > set_graph_function
echo function_graph > current_tracer
cd /
memtool fill $((512 * 1024 * 1024)) memtool fill $((512 * 1024 * 1024))
@ -281,7 +289,7 @@
# tp_printk write ftrace events to console # tp_printk write ftrace events to console
# trace_buf_size=1M set ftrace buffer to 1M # trace_buf_size=1M set ftrace buffer to 1M
# #
setenv bootargs "root=/dev/ram0 loglevel=7 debug rw earlycon=sbi console=hvc0 rdinit=/init2 init=${init}" setenv bootargs "root=/dev/ram0 loglevel=7 debug rw earlycon=sbi console=hvc0 tp_printk trace_buf_size=1M rdinit=/init2 init=${init}"
EOF EOF