Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH v5 5/9] perf hists browser: Factor out hist_browser__show_callchain_list() | Date | Mon, 9 Nov 2015 14:45:42 +0900 |
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This function is to print a single callchain list entry. As this function will be used by other function, factor out to a separate function.
Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/ui/browsers/hists.c | 72 ++++++++++++++++++++++++++---------------- 1 file changed, 45 insertions(+), 27 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index a8897aab4c4a..b5c2d073c6b6 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -574,6 +574,44 @@ static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_u #define LEVEL_OFFSET_STEP 3 +static int hist_browser__show_callchain_list(struct hist_browser *browser, + struct callchain_node *node, + struct callchain_list *chain, + unsigned short row, u64 total, + bool need_percent, int offset, + print_callchain_entry_fn print, + struct callchain_print_arg *arg) +{ + char bf[1024], *alloc_str; + const char *str; + + if (arg->row_offset != 0) { + arg->row_offset--; + return 0; + } + + alloc_str = NULL; + str = callchain_list__sym_name(chain, bf, sizeof(bf), + browser->show_dso); + + if (need_percent) { + char buf[64]; + + callchain_node__sprintf_value(node, buf, sizeof(buf), + total); + + if (asprintf(&alloc_str, "%s %s", buf, str) < 0) + str = "Not enough memory!"; + else + str = alloc_str; + } + + print(browser, chain, str, offset, row, arg); + + free(alloc_str); + return 1; +} + static int hist_browser__show_callchain(struct hist_browser *browser, struct rb_root *root, int level, unsigned short row, u64 total, @@ -598,8 +636,6 @@ static int hist_browser__show_callchain(struct hist_browser *browser, int extra_offset = 0; list_for_each_entry(chain, &child->val, list) { - char bf[1024], *alloc_str; - const char *str; bool was_first = first; if (first) @@ -608,34 +644,16 @@ static int hist_browser__show_callchain(struct hist_browser *browser, extra_offset = LEVEL_OFFSET_STEP; folded_sign = callchain_list__folded(chain); - if (arg->row_offset != 0) { - arg->row_offset--; - goto do_next; - } - alloc_str = NULL; - str = callchain_list__sym_name(chain, bf, sizeof(bf), - browser->show_dso); + row += hist_browser__show_callchain_list(browser, child, + chain, row, total, + was_first && need_percent, + offset + extra_offset, + print, arg); - if (was_first && need_percent) { - char buf[64]; - - callchain_node__sprintf_value(child, buf, sizeof(buf), - total); - - if (asprintf(&alloc_str, "%s %s", buf, str) < 0) - str = "Not enough memory!"; - else - str = alloc_str; - } - - print(browser, chain, str, offset + extra_offset, row, arg); - - free(alloc_str); - - if (is_output_full(browser, ++row)) + if (is_output_full(browser, row)) goto out; -do_next: + if (folded_sign == '+') break; } -- 2.6.2
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