diff options
| author | Abhishek Bapat <abhishekbapat@google.com> | 2026-11-04 19:03:39 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-11-11 21:56:59 -0800 |
| commit | 1dee882e8c4e27b71b00536a58089064dad8e79d (patch) | |
| tree | 3927d0340c5c38655fcd48be50bd938f33b196c9 /include/uapi/linux | |
| parent | 261f3b9c83ab8991615c5fbe5731a9b7589b198f (diff) | |
| download | linux-next-1dee882e8c4e27b71b00536a58089064dad8e79d.tar.gz linux-next-1dee882e8c4e27b71b00536a58089064dad8e79d.zip | |
alloc_tag: extend allocinfo_filter to support tracing queries
Extend the allocinfo filtering mechanism to allow users to filter tags
based on their trace state.
Link: https://lore.kernel.org/1cb54b7e6ffe2e7a0890815c3072d8a3819b48d9.1793818636.git.abhishekbapat@google.com
Signed-off-by: Abhishek Bapat <abhishekbapat@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Hao Ge <hao.ge@linux.dev>
Tested-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/alloc_tag.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/uapi/linux/alloc_tag.h b/include/uapi/linux/alloc_tag.h index 2fc843bb06bc..ca0779051cf4 100644 --- a/include/uapi/linux/alloc_tag.h +++ b/include/uapi/linux/alloc_tag.h @@ -38,7 +38,8 @@ struct allocinfo_counter { __u64 bytes; __u64 calls; __u8 accurate; - __u8 pad[7]; + __u8 trace_on; + __u8 pad[6]; } __attribute__((aligned(8))); struct allocinfo_tag_data { @@ -54,7 +55,8 @@ enum { ALLOCINFO_FILTER_INACCURATE, ALLOCINFO_FILTER_MIN_SIZE, ALLOCINFO_FILTER_MAX_SIZE, - __ALLOCINFO_FILTER_LAST = ALLOCINFO_FILTER_MAX_SIZE + ALLOCINFO_FILTER_TRACE_ON, + __ALLOCINFO_FILTER_LAST = ALLOCINFO_FILTER_TRACE_ON }; #define ALLOCINFO_FILTER_MASK_MODNAME (1 << ALLOCINFO_FILTER_MODNAME) @@ -64,11 +66,13 @@ enum { #define ALLOCINFO_FILTER_MASK_INACCURATE (1 << ALLOCINFO_FILTER_INACCURATE) #define ALLOCINFO_FILTER_MASK_MIN_SIZE (1 << ALLOCINFO_FILTER_MIN_SIZE) #define ALLOCINFO_FILTER_MASK_MAX_SIZE (1 << ALLOCINFO_FILTER_MAX_SIZE) +#define ALLOCINFO_FILTER_MASK_TRACE_ON (1 << ALLOCINFO_FILTER_TRACE_ON) #define ALLOCINFO_FILTER_MASKS \ ((1 << (__ALLOCINFO_FILTER_LAST + 1)) - 1) #define ALLOCINFO_FILTER_FLAG_INACCURATE (1ULL << 0) +#define ALLOCINFO_FILTER_FLAG_TRACE_ON (1ULL << 1) struct allocinfo_filter { __u64 mask; /* bitmask of the filter fields used */ |