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perf callchain: Switch default to 'graph,0.5,caller'
Which is the most common default found in other similar tools. Requested-by: Ingo Molnar <mingo@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Chandler Carruth <chandlerc@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://www.youtube.com/watch?v=nXaxk27zwlk Link: http://lkml.kernel.org/n/tip-v8lq36aispvdwgxdmt9p9jd9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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3 changed files with 5 additions and 5 deletions
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@ -192,7 +192,7 @@ OPTIONS
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when available. Usually more convenient to use --branch-history
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for this.
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Default: fractal,0.5,callee,function.
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Default: graph,0.5,caller
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--children::
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Accumulate callchain of children to parent entry so that then can
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@ -633,7 +633,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
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bool has_br_stack = false;
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int branch_mode = -1;
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bool branch_call_mode = false;
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char callchain_default_opt[] = "fractal,0.5,callee";
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char callchain_default_opt[] = "graph,0.5,caller";
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const char * const report_usage[] = {
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"perf report [<options>]",
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NULL
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@ -701,7 +701,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
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"Only display entries with parent-match"),
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OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
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"Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
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"Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
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"Default: graph,0.5,caller", &report_parse_callchain_opt, callchain_default_opt),
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OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
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"Accumulate callchains of children and show total overhead as well"),
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OPT_INTEGER(0, "max-stack", &report.max_stack,
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@ -17,9 +17,9 @@
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#include "callchain.h"
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struct callchain_param callchain_param = {
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.mode = CHAIN_GRAPH_REL,
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.mode = CHAIN_GRAPH_ABS,
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.min_percent = 0.5,
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.order = ORDER_CALLEE,
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.order = ORDER_CALLER,
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.key = CCKEY_FUNCTION
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};
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