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From: tip-bot for Andi Kleen <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: jpoimboe@redhat.com, ak@linux.intel.com, namhyung@kernel.org,
	linux-kernel@vger.kernel.org, acme@redhat.com, mingo@kernel.org,
	jolsa@kernel.org, hpa@zytor.com, adrian.hunter@intel.com,
	kim.phillips@arm.com, tglx@linutronix.de
Subject: [tip:perf/core] tools lib subcmd: Support overwriting the pager
Date: Wed, 26 Sep 2018 01:44:01 -0700	[thread overview]
Message-ID: <tip-03a1f49f26482cf832e7f0157ae5da716d927701@git.kernel.org> (raw)
In-Reply-To: <20180918123214.26728-3-andi@firstfloor.org>

Commit-ID:  03a1f49f26482cf832e7f0157ae5da716d927701
Gitweb:     https://git.kernel.org/tip/03a1f49f26482cf832e7f0157ae5da716d927701
Author:     Andi Kleen <ak@linux.intel.com>
AuthorDate: Tue, 18 Sep 2018 05:32:07 -0700
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 19 Sep 2018 15:16:19 -0300

tools lib subcmd: Support overwriting the pager

Add an interface to the auto pager code that allows callers to overwrite
the pager.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20180918123214.26728-3-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/lib/subcmd/pager.c | 11 ++++++++++-
 tools/lib/subcmd/pager.h |  1 +
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c
index 9997a8805a82..e3d47b59b14d 100644
--- a/tools/lib/subcmd/pager.c
+++ b/tools/lib/subcmd/pager.c
@@ -23,6 +23,13 @@ void pager_init(const char *pager_env)
 	subcmd_config.pager_env = pager_env;
 }
 
+static const char *forced_pager;
+
+void force_pager(const char *pager)
+{
+	forced_pager = pager;
+}
+
 static void pager_preexec(void)
 {
 	/*
@@ -66,7 +73,9 @@ void setup_pager(void)
 	const char *pager = getenv(subcmd_config.pager_env);
 	struct winsize sz;
 
-	if (!isatty(1))
+	if (forced_pager)
+		pager = forced_pager;
+	if (!isatty(1) && !forced_pager)
 		return;
 	if (ioctl(1, TIOCGWINSZ, &sz) == 0)
 		pager_columns = sz.ws_col;
diff --git a/tools/lib/subcmd/pager.h b/tools/lib/subcmd/pager.h
index f1a53cf29880..a818964693ab 100644
--- a/tools/lib/subcmd/pager.h
+++ b/tools/lib/subcmd/pager.h
@@ -7,5 +7,6 @@ extern void pager_init(const char *pager_env);
 extern void setup_pager(void);
 extern int pager_in_use(void);
 extern int pager_get_columns(void);
+extern void force_pager(const char *);
 
 #endif /* __SUBCMD_PAGER_H */

  parent reply	other threads:[~2018-09-26  8:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18 12:32 Make perf script easier to use for itrace Andi Kleen
2018-09-18 12:32 ` [PATCH v5 1/9] perf tools: Report itrace options in help Andi Kleen
2018-09-19 18:13   ` Arnaldo Carvalho de Melo
2018-09-18 12:32 ` [PATCH v5 2/9] tools, pager: Support overwriting the pager Andi Kleen
2018-09-19 18:17   ` Arnaldo Carvalho de Melo
2018-09-26  8:44   ` tip-bot for Andi Kleen [this message]
2018-09-18 12:32 ` [PATCH v5 3/9] tools, perf, script: Add --insn-trace for instruction decoding Andi Kleen
2018-09-18 12:32 ` [PATCH v5 4/9] perf, tools, script: Allow sym and dso without ip, addr Andi Kleen
2018-09-19 18:24   ` Arnaldo Carvalho de Melo
2018-09-26  8:44   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2018-09-18 12:32 ` [PATCH v5 5/9] perf, tools, script: Print DSO for callindent Andi Kleen
2018-09-19 18:26   ` Arnaldo Carvalho de Melo
2018-09-26  8:45   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2018-09-18 12:32 ` [PATCH v5 6/9] perf, tools, script: Make itrace script default to all calls Andi Kleen
2018-09-18 13:24   ` Adrian Hunter
2018-09-19 18:28     ` Arnaldo Carvalho de Melo
2018-09-18 12:32 ` [PATCH v5 7/9] tools, perf, script: Add --call-trace and --call-ret-trace Andi Kleen
2018-09-18 12:32 ` [PATCH v5 8/9] tools, perf, script: Implement --graph-function Andi Kleen
2018-09-18 12:32 ` [PATCH v5 9/9] perf, tools, script: Support total cycles count Andi Kleen
2018-09-19 18:31   ` Arnaldo Carvalho de Melo

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