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authorKurkó Mihály <kurkomisi@users.noreply.github.com>2018-01-24 04:51:04 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-01-24 04:51:04 +0800
commit05ade19302357eba6a24348f31df140ce0eca326 (patch)
tree50010a6f94401d7cc1829d36ea99d342d2825d39 /dashboard/cpu.go
parentec96216d1696bca2671bb7d043ba6af02c20738d (diff)
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dashboard: CPU, memory, diskIO and traffic on the footer (#15950)
* dashboard: footer, deep state update * dashboard: resolve asset path * dashboard: prevent state update on every reconnection * dashboard: fix linter issue * dashboard, cmd: minor UI fix, include commit hash * dashboard: gitCommit renamed to commit * dashboard: move the geth version to the right, make commit optional * dashboard: memory, traffic and CPU on footer * dashboard: fix merge * dashboard: CPU, diskIO on footer * dashboard: rename variables, use group declaration * dashboard: docs
Diffstat (limited to 'dashboard/cpu.go')
-rw-r--r--dashboard/cpu.go35
1 files changed, 35 insertions, 0 deletions
diff --git a/dashboard/cpu.go b/dashboard/cpu.go
new file mode 100644
index 000000000..c89879028
--- /dev/null
+++ b/dashboard/cpu.go
@@ -0,0 +1,35 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// +build !windows
+
+package dashboard
+
+import (
+ "syscall"
+
+ "github.com/ethereum/go-ethereum/log"
+)
+
+// getProcessCPUTime retrieves the process' CPU time since program startup.
+func getProcessCPUTime() float64 {
+ var usage syscall.Rusage
+ if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil {
+ log.Warn("Failed to retrieve CPU time", "err", err)
+ return 0
+ }
+ return float64(usage.Utime.Sec+usage.Stime.Sec) + float64(usage.Utime.Usec+usage.Stime.Usec)/1000000
+}