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Date: Thu, 24 Jul 2014 14:57:51 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Namhyung Kim <namhyung@...nel.org> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Ingo Molnar <mingo@...nel.org>, Paul Mackerras <paulus@...ba.org>, Namhyung Kim <namhyung.kim@....com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 4/6] perf report: Honor column width setting On Wed, Jul 09, 2014 at 02:28:12PM +0900, Namhyung Kim wrote: > Set column width and do not change it if user gives -w/--column-widths > option. It'll truncate longer symbols than the width if exists. SNIP > --- a/tools/perf/util/sort.c > +++ b/tools/perf/util/sort.c > @@ -70,7 +70,9 @@ static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf, > size_t size, unsigned int width) > { > const char *comm = thread__comm_str(he->thread); > - return repsep_snprintf(bf, size, "%-*s:%5d", width - 6, > + > + width = max(7U, width) - 6; > + return repsep_snprintf(bf, size, "%-*.*s:%5d", width, width, > comm ?: "", he->thread->tid); > } also we now print out all sort headers left alligned, which is wrong for sort_thread header: "Command: Pid' that mirrors value strings with ':' being aligned maybe something like in attached patch..? thanks, jirka --- diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index f89714329c0f..fbbe86b7f63c 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -78,6 +78,7 @@ static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf, struct sort_entry sort_thread = { .se_header = "Command: Pid", + .se_header_right= true, .se_cmp = sort__thread_cmp, .se_snprintf = hist_entry__thread_snprintf, .se_width_idx = HISTC_THREAD, @@ -1212,13 +1213,17 @@ static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, { struct hpp_sort_entry *hse; size_t len = fmt->user_len; + const char *fmt_str = "%-*.*s"; hse = container_of(fmt, struct hpp_sort_entry, hpp); if (!len) len = hists__col_len(&evsel->hists, hse->se->se_width_idx); - return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, hse->se->se_header); + if (hse->se->se_header_right) + fmt_str = "%*.*s"; + + return scnprintf(hpp->buf, hpp->size, fmt_str, len, len, hse->se->se_header); } static int __sort__hpp_width(struct perf_hpp_fmt *fmt, diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 041f0c9cea2b..16a07b9b16c2 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -197,6 +197,7 @@ struct sort_entry { struct list_head list; const char *se_header; + bool se_header_right; int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *); int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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