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2017-04-24perf tools: Remove poll.h and wait.h from util.hArnaldo Carvalho de Melo12-2/+12
Not needed in this header, added to the places that need poll(), wait() and a few other prototypes. Link: http://lkml.kernel.org/n/tip-i39c7b6xmo1vwd9wxp6fmkl0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove string.h, unistd.h and sys/stat.h from util.hArnaldo Carvalho de Melo25-4/+57
Not needed in this header, added to the places that need FILE, putchar(), access() and a few other prototypes. Link: http://lkml.kernel.org/n/tip-xxtdsl6nsna82j7puwbdjqhs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove stale prototypes from builtin.hArnaldo Carvalho de Melo2-5/+1
Some, like prune_packed_objects() are clearly git specific, others don't have implementations and some are used in just one place, make them static. Link: http://lkml.kernel.org/n/tip-faj3c5dnttf3hurv4pujut8n@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove string.h from util.hArnaldo Carvalho de Melo4-1/+4
Not needed in this header, added to the places that need strdup, strcmp and a few other prototypes. Link: http://lkml.kernel.org/n/tip-t24yy85xnlv55kyosrum2ubs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove sys/ioctl.h from util.hArnaldo Carvalho de Melo5-2/+4
Not needed in this header, added to the places that need 'struct winsize' and the ioctl defines. Link: http://lkml.kernel.org/n/tip-2pznlli3146y4242otlcm70m@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove a few more needless includes from util.hArnaldo Carvalho de Melo1-4/+0
Link: http://lkml.kernel.org/n/tip-sb2zu21d6h42e5qnsrtl6wuu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Include sys/param.h where neededArnaldo Carvalho de Melo9-1/+8
As it is going away from util.h, where it is not needed. This is mostly for things like MAXPATHLEN, MAX() and MIN(), these later two probably should go away in favor of its kernel sources replacements. Link: http://lkml.kernel.org/n/tip-z1666f3fl3fqobxvjr5o2r39@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf callchain: Move callchain specific routines from util.[ch]Arnaldo Carvalho de Melo4-108/+116
Where they belong, no point in leaving those in the generic "util" files. Link: http://lkml.kernel.org/n/tip-ljx3iiip1hlfa7a7apjem7ph@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Add compress.h for the *_decompress_to_file() headersArnaldo Carvalho de Melo5-8/+15
Out of util.h, the implementations were already in separate files, that are built conditionally. Link: http://lkml.kernel.org/n/tip-0ur7szxsb59f8758kfe63prb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf mem: Fix display of data source snoop indicationAndi Kleen1-1/+1
'perf mem report' doesn't display the data source snoop indication correctly. In the kernel API the definition is: #define PERF_MEM_SNOOP_NONE 0x02 /* no snoop */ #define PERF_MEM_SNOOP_HIT 0x04 /* snoop hit */ #define PERF_MEM_SNOOP_MISS 0x08 /* snoop miss */ but the table used by the perf tools exchanged "Hit" and "Miss": "None", "Miss", "Hit", Fix the table in perf. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20170419174940.13641-1-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf debug: Move dump_stack() and sighandler_dump_stack() to debug.hArnaldo Carvalho de Melo4-35/+34
Two more out of util.h. Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf kvm: Make function only used by 'perf kvm' staticArnaldo Carvalho de Melo3-15/+14
No need to have this polluting util.h, it was polluted enough already. Link: http://lkml.kernel.org/n/tip-wfdidqlwbvi5y0s61kv6z2gn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf tools: Move timestamp routines from util.h to time-utils.hArnaldo Carvalho de Melo7-31/+35
We already have a header for time utilities, so use it. Link: http://lkml.kernel.org/n/tip-sijzpbvutlg0c3oxn49hy9ca@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf tools: Move units conversion/formatting routines to separate objectArnaldo Carvalho de Melo11-39/+56
Out of util.h, to disentangle it a bit more. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-vpksyj3w5fk9t8s6mxmkajyr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf tools: Add signal.h to places using its definitionsArnaldo Carvalho de Melo17-1/+16
And remove it from util.h, disentangling it a bit more. Link: http://lkml.kernel.org/n/tip-2zg9s5nx90yde64j3g4z2uhk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf unwind: Provide only forward declarations for pointer typesArnaldo Carvalho de Melo1-3/+6
No need to drag the headers, helps in untangling them and reducing build time. Link: http://lkml.kernel.org/n/tip-l8soqph92duyw5jdha0fij8b@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Ditch unused strchrnul() reimplementationArnaldo Carvalho de Melo1-16/+0
Remnants from the git codebase. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-kwaez3uxo1w9f8v5r7etl0w6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove regex.h and fnmatch.h from util.hArnaldo Carvalho de Melo5-3/+4
The users of regex and fnmatch functions should include those headers instead. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ixzm5kuamsq1ixbkuv6kmwzj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove include dirent.h from util.hArnaldo Carvalho de Melo11-1/+11
The files using the dirent.h routines should instead include it, reducing the includes hell that lead to longer build times. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-42g2f4z6nfg7mdb2ae97n7tj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove misplaced __maybe_unused in some functionsArnaldo Carvalho de Melo1-2/+2
Those args _are_ being used. Link: http://lkml.kernel.org/n/tip-yi9s00ki1i1tcc704v042957@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Use api/fs/tracing_path.h where neededArnaldo Carvalho de Melo3-1/+2
Instead of getting it out of luck from util.h, where it isn't needed at all. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-0bqugg5lc5ksla1v4m0dnmc1@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: No need to include bitops.h in util.hArnaldo Carvalho de Melo1-1/+0
When we switched to the kernel's roundup_pow_of_two we forgot to remove this include from util.h, do it now. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Fixes: 91529834d1de ("perf evlist: Use roundup_pow_of_two") Link: http://lkml.kernel.org/n/tip-kfye5rxivib6155cltx0bw4h@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Move path related functions to util/path.hArnaldo Carvalho de Melo15-28/+52
Disentangling util.h header mess a bit more. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-aj6je8ly377i4upedmjzdsq6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Don't include terminal handling headers in util.hArnaldo Carvalho de Melo8-6/+12
Continuing the disentanglement, mostly the TUI needs CTRL(c), that is in sys/ttydefaults.h and term.c needs the termios headers. And term.h needs to be added to a few places too. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-il19zna7qj9ytavdbwlipc7t@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf str{filter,list}: Disentangle headersArnaldo Carvalho de Melo17-11/+22
There are places where we just need a forward declaration, and others were we need to include strlist.h and/or strfilter.h, reducing the impact of changes in headers on the build time, do it. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-zab42gbiki88y9k0csorxekb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Include errno.h where neededArnaldo Carvalho de Melo95-2/+96
Removing it from util.h, part of an effort to disentangle the includes hell, that makes changes to util.h or something included by it to cause a complete rebuild of the tools. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ztrjy52q1rqcchuy3rubfgt2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Move extra string util functions to util/string2.hArnaldo Carvalho de Melo23-41/+72
Moving them from util.h, where they don't belong. Since libc already have string.h, name it slightly differently, as string2.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-eh3vz5sqxsrdd8lodoro4jrw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Move srcline definitions to separate headerArnaldo Carvalho de Melo8-27/+40
Out of util.h into a new file, srcline.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ludnlm4djqcdjziekzr4s3u9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Move print_binary definitions to separate filesArnaldo Carvalho de Melo12-78/+91
Continuing the split of util.[ch] into more manageable bits. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-5eu367rwcwnvvn7fz09l7xpb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19tools include: Include missing headers for fls() and types in linux/log2.hArnaldo Carvalho de Melo1-0/+3
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-7wj865zidu5ylf87i6i7v6z7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Move sane ctype stuff from util.h to sane_ctype.hArnaldo Carvalho de Melo37-55/+114
More stuff that came from git, out of the hodge-podge that is util.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-e3lana4gctz3ub4hn4y29hkw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Ditch unused PATH_SEP, STRIP_EXTENSIONArnaldo Carvalho de Melo2-26/+0
Should make sense for windows, where git is supported. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-lzxlhmqrizk72d0zcsreggy8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Replace STR() calls with __stringify()Arnaldo Carvalho de Melo6-11/+12
Both do the same thing, the later is the one we get from linux/stringify.h, i.e. we now use the same function name/practice as the kernel sources. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-w2sxa5o4bfx7fjrd5mu4zmke@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove PRI[xu] macros from perf.hArnaldo Carvalho de Melo1-20/+0
We get them from inttypes.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-qla4e4mwbf1oewafp1ee2etd@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Including missing inttypes.h headerArnaldo Carvalho de Melo59-1/+59
Needed to use the PRI[xu](32,64) formatting macros. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-wkbho8kaw24q67dd11q0j39f@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove unused macros from util.hArnaldo Carvalho de Melo1-12/+0
TYPEOF(), for instance, was only used by MSB() that wasn't used at all, besides typeof() is used in many places, should be the preferred way. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-golox8oa2w1oq28snki14z6s@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19tools include: Drop ARRAY_SIZE() definition from linux/hashtable.hArnaldo Carvalho de Melo1-4/+0
As tools/include/linux/kernel.h has it now, with the goodies present in the kernel.h counterpart, i.e. checking that the parameter is an array at build time. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-v0b41ivu6z6dyugbq9ffa9ez@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19objtool: Drop ARRAY_SIZE() definition, tools/include/linux/kernel.h has it nowArnaldo Carvalho de Melo2-4/+2
And with the goodies present in the kernel.h counterpart, i.e. checking that the parameter is an array at build time. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-roiwxwgwgld4kygn65if60wa@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Add include <linux/kernel.h> where ARRAY_SIZE() is usedArnaldo Carvalho de Melo42-1/+42
To pave the way for further cleanups where linux/kernel.h may stop being included in some header. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-qqxan6tfsl6qx3l0v3nwgjvk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19tools include: Move ARRAY_SIZE() to linux/kernel.hArnaldo Carvalho de Melo2-2/+3
To match the kernel, then look for places redefining it to make it use this version, which checks that its parameter is an array at build time. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-txlcf1im83bcbj6kh0wxmyy8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19tools include: Adopt __same_type() and __must_be_array() from the kernelArnaldo Carvalho de Melo2-0/+8
Will be used to adopt the more stringent version of ARRAY_SIZE(), the one in the kernel sources. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-d85dpvay1hoqscpezlntyd8x@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19tools include: Introduce linux/bug.h, from the kernel sourcesArnaldo Carvalho de Melo2-0/+11
With just what we will need in the upcoming changesets, the BUILD_BUG_ON_ZERO() definition. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-lw8zg7x6ttwcvqhp90mwe3vo@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove FLEX_ARRAY definitionArnaldo Carvalho de Melo2-24/+2
We rely on symbol->name[0] since the beginning of tools/perf/, never having received any complaint about it, also all the containers build perf just fine, so remove this git codebase remnant. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-jsjpgojut8e22o2gtz83augk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf unwind arm64: Add missing errno.h headerArnaldo Carvalho de Melo1-1/+1
Since it uses EINVAL unconditionally, it needs to also unconditionally include errno.h. Detected when recent changes made errno.h not be included by chance when tools/perf/arch/arm64/util/unwind-libunwind.c gets included by tools/perf/util/libunwind/arm64.c. Putting this changeset just before that change so that we don't lose bisectability on arm64. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Fixes: 8ab596afb97b ("perf tools ARM64: Wire up perf_regs and unwind support") Link: http://lkml.kernel.org/n/tip-60zjev2o1locp5ivod38epa2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-14perf/x86: Fix spurious NMI with PEBS Load Latency eventKan Liang3-2/+3
Spurious NMIs will be observed with the following command: while :; do perf record -bae "cpu/umask=0x01,event=0xcd,ldlat=0x80/pp" -e "cpu/umask=0x03,event=0x0/" -e "cpu/umask=0x02,event=0x0/" -e cycles,branches,cache-misses -e cache-references -- sleep 10 done The bug was introduced by commit: 8077eca079a2 ("perf/x86/pebs: Add workaround for broken OVFL status on HSW+") That commit clears the status bits for the counters used for PEBS events, by masking the whole 64 bits pebs_enabled. However, only the low 32 bits of both status and pebs_enabled are reserved for PEBS-able counters. For status bits 32-34 are fixed counter overflow bits. For pebs_enabled bits 32-34 are for PEBS Load Latency. In the test case, the PEBS Load Latency event and fixed counter event could overflow at the same time. The fixed counter overflow bit will be cleared by mistake. Once it is cleared, the fixed counter overflow never be processed, which finally trigger spurious NMI. Correct the PEBS enabled mask by ignoring the non-PEBS bits. Signed-off-by: Kan Liang <kan.liang@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Fixes: 8077eca079a2 ("perf/x86/pebs: Add workaround for broken OVFL status on HSW+") Link: http://lkml.kernel.org/r/1491333246-3965-1-git-send-email-kan.liang@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-04-14perf/x86: Avoid exposing wrong/stale data in intel_pmu_lbr_read_32()Peter Zijlstra1-0/+3
When the perf_branch_entry::{in_tx,abort,cycles} fields were added, intel_pmu_lbr_read_32() wasn't updated to initialize them. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> Fixes: 135c5612c460 ("perf/x86/intel: Support Haswell/v4 LBR format") Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-04-13Revert "perf tools: Fix include of linux/mman.h"David Carrillo-Cisneros1-1/+1
In https://lkml.org/lkml/2017/2/2/16 I reported a build error that I believed was caused by wrong uapi includes. The synthom was fixed by Arnaldo in: commit 2f7db5557994 ("perf tools: Fix include of linux/mman.h") but I was wrong attributing the problem to the uapi include. The root cause was that I was using ARCH=x86_64, hence using the wrong uapi include path. This explains why no one else ran into this build problem. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Que <sque@chromium.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20170412064919.92449-8-davidcc@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-13perf util: Hint missing file when tool tips fail to loadDavid Carrillo-Cisneros1-1/+2
Besides memory allocation failure, tips.txt may fail to load because the file is not found (a more likely cause). Communicate that to the user in tips failure warning. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Que <sque@chromium.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20170412064919.92449-5-davidcc@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-13tools build: Fix feature detection redefinion of build flagsDavid Carrillo-Cisneros1-5/+5
This change is a follow up of https://lkml.org/lkml/2017/2/2/16 The patch above avoided redefining CC, CXX and PKG_CONFIG in feature detection. The patch was not merged due to a unsolved concern with the -MD flag. Later, commit c8c188679ccf ("tools build: Use the same CC for feature detection and actual build") did the change for CC and CXX but not PKG_CONFIG. This patch makes PKG_CONFIG consistent with CC and CXX and moves the -MD to CFLAGS, as suggested by Jiri in the thread above. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Que <sque@chromium.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20170412064919.92449-3-davidcc@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-13perf tools: Disable JVMTI if no ELF support availableDavid Carrillo-Cisneros1-1/+3
The build of JVMTI depends on LIBELF (-lelf). Make Makefile.conf check this dependendancy and notify user when not present. v2: Comma nitpicking. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Tested-by: Kim Phillips <kim.phillips@arm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Que <sque@chromium.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20170412170745.26620-1-davidcc@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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