linux-kernel - [PATCH 5.4 084/261] iocost_monitor: drop string wrap around numbers when outputting json

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Message-Id: <20200619141653.919464743@linuxfoundation.org>
Date:   Fri, 19 Jun 2020 16:31:35 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tejun Heo <tj@...nel.org>,
        Jens Axboe <axboe@...nel.dk>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 084/261] iocost_monitor: drop string wrap around numbers when outputting json

From: Tejun Heo <tj@...nel.org>

[ Upstream commit 21f3cfeab304fc07b90d93d98d4d2f62110fe6b2 ]

Wrapping numbers in strings is used by some to work around bit-width issues in
some enviroments. The problem isn't innate to json and the workaround seems to
cause more integration problems than help. Let's drop the string wrapping.

Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/cgroup/iocost_monitor.py | 42 +++++++++++++++++-----------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index 7e344a78a627..b8c082c9fd7d 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -112,14 +112,14 @@ class IocStat:
 
     def dict(self, now):
         return { 'device'               : devname,
-                 'timestamp'            : str(now),
-                 'enabled'              : str(int(self.enabled)),
-                 'running'              : str(int(self.running)),
-                 'period_ms'            : str(self.period_ms),
-                 'period_at'            : str(self.period_at),
-                 'period_vtime_at'      : str(self.vperiod_at),
-                 'busy_level'           : str(self.busy_level),
-                 'vrate_pct'            : str(self.vrate_pct), }
+                 'timestamp'            : now,
+                 'enabled'              : self.enabled,
+                 'running'              : self.running,
+                 'period_ms'            : self.period_ms,
+                 'period_at'            : self.period_at,
+                 'period_vtime_at'      : self.vperiod_at,
+                 'busy_level'           : self.busy_level,
+                 'vrate_pct'            : self.vrate_pct, }
 
     def table_preamble_str(self):
         state = ('RUN' if self.running else 'IDLE') if self.enabled else 'OFF'
@@ -179,19 +179,19 @@ class IocgStat:
 
     def dict(self, now, path):
         out = { 'cgroup'                : path,
-                'timestamp'             : str(now),
-                'is_active'             : str(int(self.is_active)),
-                'weight'                : str(self.weight),
-                'weight_active'         : str(self.active),
-                'weight_inuse'          : str(self.inuse),
-                'hweight_active_pct'    : str(self.hwa_pct),
-                'hweight_inuse_pct'     : str(self.hwi_pct),
-                'inflight_pct'          : str(self.inflight_pct),
-                'debt_ms'               : str(self.debt_ms),
-                'use_delay'             : str(self.use_delay),
-                'delay_ms'              : str(self.delay_ms),
-                'usage_pct'             : str(self.usage),
-                'address'               : str(hex(self.address)) }
+                'timestamp'             : now,
+                'is_active'             : self.is_active,
+                'weight'                : self.weight,
+                'weight_active'         : self.active,
+                'weight_inuse'          : self.inuse,
+                'hweight_active_pct'    : self.hwa_pct,
+                'hweight_inuse_pct'     : self.hwi_pct,
+                'inflight_pct'          : self.inflight_pct,
+                'debt_ms'               : self.debt_ms,
+                'use_delay'             : self.use_delay,
+                'delay_ms'              : self.delay_ms,
+                'usage_pct'             : self.usage,
+                'address'               : self.address }
         for i in range(len(self.usages)):
             out[f'usage_pct_{i}'] = str(self.usages[i])
         return out
-- 
2.25.1