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dumpstate: dump cma information into bugreport

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Dump pixel cma metric into dumpstate_board.txt
It hepls to find cma allocation latency issues.

output example)
..

Change-Id: I697ade197617e3c19be1d83d38f2f93b44905ff8
--- /sys/kernel/pixel_stat/mm/cma/faceauth_tpu/alloc_pages_attempts
0
..
--- /sys/kernel/pixel_stat/mm/cma/faceauth_tpu/latency_low
0
--- /sys/kernel/pixel_stat/mm/cma/faceauth_tpu/latency_low_bound
10
--- /sys/kernel/pixel_stat/mm/cma/faceauth_tpu/latency_mid
0
..
--- /sys/kernel/pixel_stat/mm/cma/reserved/alloc_pages_attempts
1162
--- /sys/kernel/pixel_stat/mm/cma/reserved/alloc_pages_failfast_attempts
0
..

Change-Id: I08e34841617768f53e38f25a1b8035ade886d008
Bug: 191904985
Test: Run "adb bugreport <zip>" and verify it contains the output
      from dumpstate_board.txt
Signed-off-by: Minchan Kim <minchan@google.com>
This commit is contained in:
Minchan Kim 2021-06-23 14:09:25 -07:00
parent c6a7602790
commit 48a283b16e
1 changed files with 10 additions and 0 deletions
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10
dumpstate/DumpstateDevice.cpp
View file

@ -760,6 +760,16 @@ void DumpstateDevice::dumpMemorySection(int fd) {
DumpFileToFd(fd, "dmabuf info", "/d/dma_buf/bufinfo"); DumpFileToFd(fd, "dmabuf info", "/d/dma_buf/bufinfo");
DumpFileToFd(fd, "Page Pinner - longterm pin", "/sys/kernel/debug/page_pinner/longterm_pinner"); DumpFileToFd(fd, "Page Pinner - longterm pin", "/sys/kernel/debug/page_pinner/longterm_pinner");
DumpFileToFd(fd, "Page Pinner - alloc_contig_failed", "/sys/kernel/debug/page_pinner/alloc_contig_failed"); DumpFileToFd(fd, "Page Pinner - alloc_contig_failed", "/sys/kernel/debug/page_pinner/alloc_contig_failed");
RunCommandToFd(fd, "Pixel CMA stat", {"/vendor/bin/sh", "-c",
"for d in $(ls -d /sys/kernel/pixel_stat/mm/cma/*); do "
"if [ -f $d ]; then "
"echo --- $d; cat $d; "
"else "
"for f in $(ls $d); do "
"echo --- $d/$f; cat $d/$f; "
"done; "
"fi; "
"done"});
} }
static void DumpF2FS(int fd) { static void DumpF2FS(int fd) {