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authorTejun Heo <tj@kernel.org>2019-09-04 22:45:54 +0300
committerJens Axboe <axboe@kernel.dk>2019-09-10 21:31:39 +0300
commite742bd5cb55ec0be48c5e7b356393a708e7f73c9 (patch)
tree1ff62649f8ee32bb00939bbd12fa658f31457d73 /tools/cgroup/iocost_monitor.py
parente1518f63f246831af222758ead022cd40e79fab8 (diff)
downloadlinux-e742bd5cb55ec0be48c5e7b356393a708e7f73c9.tar.xz
iocost_monitor: Always use strings for json values
Json has limited accuracy for numbers and can silently truncate 64bit values, which can be extremely confusing. Let's consistently use string encapsulated values for json output. While at it, convert an unnecesary f-string to str(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/cgroup/iocost_monitor.py')
-rw-r--r--tools/cgroup/iocost_monitor.py40
1 files changed, 20 insertions, 20 deletions
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index 2c9445e966d8..8f6b4ac377bd 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -111,14 +111,14 @@ class IocStat:
def dict(self, now):
return { 'device' : devname,
- '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, }
+ '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), }
def table_preamble_str(self):
state = ('RUN' if self.running else 'IDLE') if self.enabled else 'OFF'
@@ -171,19 +171,19 @@ class IocgStat:
def dict(self, now, path):
out = { 'cgroup' : path,
- '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,
- 'use_delay' : self.use_delay,
- 'delay_ms' : self.delay_ms,
- 'usage_pct' : self.usage }
+ '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),
+ 'use_delay' : str(self.use_delay),
+ 'delay_ms' : str(self.delay_ms),
+ 'usage_pct' : str(self.usage) }
for i in range(len(self.usages)):
- out[f'usage_pct_{i}'] = f'{self.usages[i]}'
+ out[f'usage_pct_{i}'] = str(self.usages[i])
return out
def table_row_str(self, path):