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Paul Mackerras 61c45981dd perf_counter tools: Rework event string parsing/syntax ... This reworks the parser for event descriptors to make it more consistent in what it accepts. It is now structured as a recursive descent parser for the following grammar: events ::= event ( ("," | space) space* event )* event ::= ( raw_event | numeric_event | symbolic_event | generic_hw_event ) [ event_modifier ] raw_event ::= "r" hex_number numeric_event ::= number ":" number number ::= decimal_number | "0x" hex_number | "0" octal_number symbolic_event ::= string_from_event_symbols_array generic_hw_event::= cache_type ( "-" ( cache_op | cache_result ) )* event_modifier ::= ":" ( "u" | "k" | "h" )+ with the extra restriction that you can have at most one cache_op and at most one cache_result. We pass the current string pointer by reference (i.e. as a const char **) to the various parsing functions so that they can advance the pointer to indicate how much they consumed. They return 0 if they didn't recognize the thing at the pointer or 1 if they did (and advance the pointer past it). This also fixes parse_aliases to take the longest matching alias from the table, not the first one. Otherwise "l1-data" would match the "l1-d" alias and the "ata" would not be consumed. This allows event modifiers indicating what processor modes to count in to be applied to any event, not just numeric events, and adds a ":h" modifier to indicate counting in hypervisor mode. Specifying ":u" now sets both exclude_kernel and exclude_hv, and so on. Multiple modes can be specified, e.g. ":uk" will count in user or hypervisor mode (i.e. only exclude_kernel will be set). Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <19018.53826.843815.189847@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		16 years ago
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PERF-VERSION-GEN	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
abspath.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
alias.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
cache.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
callchain.c	perf_counter tools: Various fixes for callchains	16 years ago
callchain.h	perf_counter tools: Resolve symbols in callchains	16 years ago
color.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
color.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
config.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
ctype.c	perf_counter tools: Add and use isprint()	16 years ago
environment.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
exec_cmd.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
exec_cmd.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
generate-cmdlist.sh	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
header.c	perf_counter tools: Rework the file format	16 years ago
header.h	perf_counter tools: Rework the file format	16 years ago
help.c	perf_counter tools: Remove dead code	16 years ago
help.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
levenshtein.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
levenshtein.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
list.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
pager.c	perf_counter tools: Remove dead code	16 years ago
parse-events.c	perf_counter tools: Rework event string parsing/syntax	16 years ago
parse-events.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
parse-options.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
parse-options.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
path.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
quote.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
quote.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
rbtree.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
rbtree.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
run-command.c	perf_counter tools: Remove dead code	16 years ago
run-command.h	perf_counter tools: Remove dead code	16 years ago
sigchain.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
sigchain.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
strbuf.c	perf_counter tools: Fix strbuf_fread() error path handling	16 years ago
strbuf.h	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago
string.c	perf_counter tools: Define and use our own u64, s64 etc. definitions	16 years ago
string.h	perf_counter tools: Rework the file format	16 years ago
strlist.c	perf report: Add --dsos parameter	16 years ago
strlist.h	perf report: Add --dsos parameter	16 years ago
symbol.c	perf_counter tools: Adjust only prelinked symbol's addresses	16 years ago
symbol.h	perf_counter tools: Adjust only prelinked symbol's addresses	16 years ago
types.h	perf_counter tools: Rework the file format	16 years ago
usage.c	perf top: Fall back to cpu-clock-tick hrtimer sampling if no cycle counter available	16 years ago
util.h	perf_counter tools: Remove dead code	16 years ago
wrapper.c	perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/	16 years ago