From: Andi Kleen <andi@firstfloor.org>
To: acme@kernel.org
Cc: jolsa@kernel.org, adrian.hunter@intel.com,
linux-kernel@vger.kernel.org, kim.phillips@arm.com,
Andi Kleen <ak@linux.intel.com>
Subject: [PATCH v5 2/9] tools, pager: Support overwriting the pager
Date: Tue, 18 Sep 2018 05:32:07 -0700 [thread overview]
Message-ID: <20180918123214.26728-3-andi@firstfloor.org> (raw)
In-Reply-To: <20180918123214.26728-1-andi@firstfloor.org>
From: Andi Kleen <ak@linux.intel.com>
Add an interface to the auto pager code that allows callers
to overwrite the pager.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
| 11 ++++++++++-
| 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
--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;
--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 */
--
2.17.1
next prev parent reply other threads:[~2018-09-18 12:33 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 ` Andi Kleen [this message]
2018-09-19 18:17 ` [PATCH v5 2/9] tools, pager: Support overwriting the pager Arnaldo Carvalho de Melo
2018-09-26 8:44 ` [tip:perf/core] tools lib subcmd: " tip-bot for Andi Kleen
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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