diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/admin-guide/kdump/gdbmacros.txt | 73 |
1 files changed, 33 insertions, 40 deletions
diff --git a/Documentation/admin-guide/kdump/gdbmacros.txt b/Documentation/admin-guide/kdump/gdbmacros.txt index 94fabb165abf..82aecdcae8a6 100644 --- a/Documentation/admin-guide/kdump/gdbmacros.txt +++ b/Documentation/admin-guide/kdump/gdbmacros.txt @@ -172,13 +172,13 @@ end define dump_record set var $desc = $arg0 - if ($argc > 1) - set var $prev_flags = $arg1 + set var $info = $arg1 + if ($argc > 2) + set var $prev_flags = $arg2 else set var $prev_flags = 0 end - set var $info = &$desc->info set var $prefix = 1 set var $newline = 1 @@ -237,44 +237,36 @@ define dump_record # handle dictionary data - set var $begin = $desc->dict_blk_lpos.begin % (1U << prb->dict_data_ring.size_bits) - set var $next = $desc->dict_blk_lpos.next % (1U << prb->dict_data_ring.size_bits) - - # handle data-less record - if ($begin & 1) - set var $dict_len = 0 - set var $dict = "" - else - # handle wrapping data block - if ($begin > $next) - set var $begin = 0 - end - - # skip over descriptor id - set var $begin = $begin + sizeof(long) - - # handle truncated message - if ($next - $begin < $info->dict_len) - set var $dict_len = $next - $begin - else - set var $dict_len = $info->dict_len + set var $dict = &$info->dev_info.subsystem[0] + set var $dict_len = sizeof($info->dev_info.subsystem) + if ($dict[0] != '\0') + printf " SUBSYSTEM=" + set var $idx = 0 + while ($idx < $dict_len) + set var $c = $dict[$idx] + if ($c == '\0') + loop_break + else + if ($c < ' ' || $c >= 127 || $c == '\\') + printf "\\x%02x", $c + else + printf "%c", $c + end + end + set var $idx = $idx + 1 end - - set var $dict = &prb->dict_data_ring.data[$begin] + printf "\n" end - if ($dict_len > 0) + set var $dict = &$info->dev_info.device[0] + set var $dict_len = sizeof($info->dev_info.device) + if ($dict[0] != '\0') + printf " DEVICE=" set var $idx = 0 - set var $line = 1 while ($idx < $dict_len) - if ($line) - printf " " - set var $line = 0 - end set var $c = $dict[$idx] if ($c == '\0') - printf "\n" - set var $line = 1 + loop_break else if ($c < ' ' || $c >= 127 || $c == '\\') printf "\\x%02x", $c @@ -288,10 +280,10 @@ define dump_record end end document dump_record - Dump a single record. The first parameter is the descriptor - sequence number, the second is optional and specifies the - previous record's flags, used for properly formatting - continued lines. + Dump a single record. The first parameter is the descriptor, + the second parameter is the info, the third parameter is + optional and specifies the previous record's flags, used for + properly formatting continued lines. end define dmesg @@ -311,12 +303,13 @@ define dmesg while (1) set var $desc = &prb->desc_ring.descs[$id % $desc_count] + set var $info = &prb->desc_ring.infos[$id % $desc_count] # skip non-committed record set var $state = 3 & ($desc->state_var.counter >> $desc_flags_shift) if ($state == $desc_committed || $state == $desc_finalized) - dump_record $desc $prev_flags - set var $prev_flags = $desc->info.flags + dump_record $desc $info $prev_flags + set var $prev_flags = $info->flags end set var $id = ($id + 1) & $id_mask |