diff options
| author | Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> | 2012-12-06 01:48:27 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 00:19:09 +0400 |
| commit | 7a555613eb77c69eb6e48b61bc5f72dd42fa1780 (patch) | |
| tree | fd2c5ef59a77ba532a5957923f9919fa170027f9 /include/linux/dynamic_debug.h | |
| parent | f657fd21e16e3ab7432c03008e19069c2ef8e150 (diff) | |
| download | linux-7a555613eb77c69eb6e48b61bc5f72dd42fa1780.tar.xz | |
dynamic_debug: dynamic hex dump
Introduce print_hex_dump_debug() that can be dynamically controlled, similar to
pr_debug.
Also, make print_hex_dump_bytes() dynamically controlled
Implement only 'p' flag (_DPRINTK_FLAGS_PRINT) to keep it simple since hex dump prints
multiple lines and long prefix would impact readability.
To provide line/file etc. information, use pr_debug or similar
before/after print_hex_dump_debug()
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/dynamic_debug.h')
| -rw-r--r-- | include/linux/dynamic_debug.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 6dd4787a798a..2fe93b26b42f 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -95,6 +95,17 @@ do { \ ##__VA_ARGS__); \ } while (0) +#define dynamic_hex_dump(prefix_str, prefix_type, rowsize, \ + groupsize, buf, len, ascii) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, \ + __builtin_constant_p(prefix_str) ? prefix_str : "hexdump");\ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + print_hex_dump(KERN_DEBUG, prefix_str, \ + prefix_type, rowsize, groupsize, \ + buf, len, ascii); \ +} while (0) + #else #include <linux/string.h> |