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atrace: make fs-specific sysfs entries optional

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The availability of these sysfs entries will vary based on the kernel's
supported filesystems, so don't block the disk category if some of them
are missing.

Bug: 18467498

Change-Id: I96200f1b5cf3f1a8fa8186602552adc96ddffc04
Signed-off-by: Greg Hackmann <ghackmann@google.com>
This commit is contained in:
Greg Hackmann 2014-11-20 12:59:44 -08:00
parent 6b9454d1fe
commit e80d32c3c2
1 changed files with 8 additions and 8 deletions
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16
cmds/atrace/atrace.cpp
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@ -106,14 +106,14 @@ static const TracingCategory k_categories[] = {
{ REQ, "/sys/kernel/debug/tracing/events/power/cpu_idle/enable" }, { REQ, "/sys/kernel/debug/tracing/events/power/cpu_idle/enable" },
} }, } },
{ "disk", "Disk I/O", 0, { { "disk", "Disk I/O", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_enter/enable" }, { OPT, "/sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_enter/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_exit/enable" }, { OPT, "/sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_exit/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/f2fs/f2fs_write_begin/enable" }, { OPT, "/sys/kernel/debug/tracing/events/f2fs/f2fs_write_begin/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/f2fs/f2fs_write_end/enable" }, { OPT, "/sys/kernel/debug/tracing/events/f2fs/f2fs_write_end/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_da_write_begin/enable" }, { OPT, "/sys/kernel/debug/tracing/events/ext4/ext4_da_write_begin/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_da_write_end/enable" }, { OPT, "/sys/kernel/debug/tracing/events/ext4/ext4_da_write_end/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable" }, { OPT, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_exit/enable" }, { OPT, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_exit/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/block/block_rq_issue/enable" }, { REQ, "/sys/kernel/debug/tracing/events/block/block_rq_issue/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/block/block_rq_complete/enable" }, { REQ, "/sys/kernel/debug/tracing/events/block/block_rq_complete/enable" },
} }, } },