linux.git/tools/perf/util/map.h, branch v4.20

perf map: Optimize maps__fixup_overlappings()

2018-08-08T18:56:00+00:00

This function splits and removes overlapping areas.

Maps in tree are ordered by start address thus we could find first
overlap and stop if next map does not overlap.

Signed-off-by: Konstantin Khlebnikov 
Acked-by: Jiri Olsa 
Cc: Alexander Shishkin 
Cc: Namhyung Kim 
Cc: Peter Zijlstra 
Link: http://lkml.kernel.org/r/153365189407.435244.7234821822450484712.stgit@buzz
Signed-off-by: Arnaldo Carvalho de Melo

perf srcline: Introduce map__srcline() to make code more compact

2018-06-04T13:28:52+00:00

Replacing a common open coded sequence.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-2d7d1nzd3ksqornloqeer99r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf machine: Allow for extra kernel maps

2018-05-22T13:59:22+00:00

Identify extra kernel maps by name so that they can be distinguished
from the kernel map and module maps.

Signed-off-by: Adrian Hunter 
Cc: Alexander Shishkin 
Cc: Andi Kleen 
Cc: Andy Lutomirski 
Cc: Dave Hansen 
Cc: H. Peter Anvin 
Cc: Jiri Olsa 
Cc: Joerg Roedel 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/1526986485-6562-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo

perf machine: Fix map_groups__split_kallsyms() for entry trampoline symbols

2018-05-22T13:55:59+00:00

When kernel symbols are derived from /proc/kallsyms only (not using
vmlinux or /proc/kcore) map_groups__split_kallsyms() is used. However
that function makes assumptions that are not true with entry trampoline
symbols. For now, remove the entry trampoline symbols at that point, as
they are no longer needed at that point.

Signed-off-by: Adrian Hunter 
Cc: Alexander Shishkin 
Cc: Andi Kleen 
Cc: Andy Lutomirski 
Cc: Dave Hansen 
Cc: H. Peter Anvin 
Cc: Jiri Olsa 
Cc: Joerg Roedel 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/1526986485-6562-7-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo

perf machine: Ditch find_kernel_function variants

2018-04-30T15:20:54+00:00

Since we do not have split symtabs anymore, no need to have explicit
find_kernel_function variants, use the find_kernel_symbol ones.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-hiw2ryflju000f6wl62128it@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf symbols: Unify symbol maps

2018-04-27T13:47:06+00:00

Remove the split of symbol tables for data (MAP__VARIABLE) and for
functions (MAP__FUNCTION), its unneeded and there were various places
doing two lookups to find a symbol, so simplify this.

We still will consider only the symbols that matched the filters in
place, i.e. see the (elf_(sec,sym)|symbol_type)__filter() routines in
the patch, just so that we consider only the same symbols as before,
to reduce the possibility of regressions.

All the tests on 50-something build environments, in varios versions
of lots of distros and cross build environments were performed without
build regressions, as usual with all pull requests the other tests were
also performed: 'perf test' and 'make -C tools/perf build-test'.

Also this was done at a great granularity so that regressions can be
bisected more easily.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-hiq0fy2rsleupnqqwuojo1ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf map: Remove map_type arg from map_groups__find()

2018-04-26T16:47:18+00:00

One more step in ditching the split.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-4pour7egur07tkrpbynawemv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf map: Remove enum_type arg to map_groups__first()

2018-04-26T16:47:15+00:00

Only the symbol core needs to use that, so provide a __ variant for that
case, that will end up removed when we ditch the MAP__ split.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-x29k9e1ohastsoqbilp3mguh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf map: Shorten map_groups__find() signature

2018-04-26T16:47:12+00:00

Removing the map_type, that is going away.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-18iiiw25r75xn7zlppjldk48@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

perf map: Shorten map_groups__find_by_name() signature

2018-04-26T16:47:09+00:00

Another step in the road to elliminate the MAP_{FUNCTION,VARIABLE}
separation, reducing the exposure to these details in the tools using
the symbol APIs.

Cc: Adrian Hunter 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Wang Nan 
Link: https://lkml.kernel.org/n/tip-8a1hvrqe3r5i0kw865u3uxwt@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo