From 9b176e678e8535bc72bede4f4b95318ce207644a Mon Sep 17 00:00:00 2001
From: "Sean E. Russell" <ser@ser1.net>
Date: Fri, 26 Jun 2020 11:50:15 -0500
Subject: [PATCH] Work-around for bug shirou/gopsutil#849, addressing #135

---
 devices/cpu_cpu.go    |  2 +-
 devices/cpu_linux.go  | 23 +++++++++++++++++++++++
 devices/cpu_other.go  |  9 +++++++++
 widgets/proc.go       |  5 ++---
 widgets/proc_linux.go |  1 +
 5 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 devices/cpu_linux.go
 create mode 100644 devices/cpu_other.go

diff --git a/devices/cpu_cpu.go b/devices/cpu_cpu.go
index 0c1f9c1..bd2f891 100644
--- a/devices/cpu_cpu.go
+++ b/devices/cpu_cpu.go
@@ -9,7 +9,7 @@ import (
 // FIXME: broken % under Linux.  Doesn't reflect reality *at all*.
 func init() {
 	f := func(cpus map[string]int, l bool) map[string]error {
-		cpuCount, err := psCpu.Counts(l)
+		cpuCount, err := CpuCount()
 		if err != nil {
 			return nil
 		}
diff --git a/devices/cpu_linux.go b/devices/cpu_linux.go
new file mode 100644
index 0000000..4e836d5
--- /dev/null
+++ b/devices/cpu_linux.go
@@ -0,0 +1,23 @@
+// +build linux
+
+package devices
+
+import "github.com/shirou/gopsutil/cpu"
+
+func CpuCount() (int, error) {
+	cpuCount, err := cpu.Counts(false)
+	if err != nil {
+		return 0, err
+	}
+	if cpuCount == 0 {
+		is, err := cpu.Info()
+		if err != nil {
+			return 0, err
+		}
+		if is[0].Cores > 0 {
+			return len(is) / 2, nil
+		}
+		return len(is), nil
+	}
+	return cpuCount, nil
+}
diff --git a/devices/cpu_other.go b/devices/cpu_other.go
new file mode 100644
index 0000000..95d183f
--- /dev/null
+++ b/devices/cpu_other.go
@@ -0,0 +1,9 @@
+// +build !linux
+
+package devices
+
+import "github.com/shirou/gopsutil/cpu"
+
+func CpuCount() (int, error) {
+	return cpu.Counts(false)
+}
diff --git a/widgets/proc.go b/widgets/proc.go
index f47f646..218ba63 100644
--- a/widgets/proc.go
+++ b/widgets/proc.go
@@ -9,9 +9,8 @@ import (
 	"strings"
 	"time"
 
-	psCPU "github.com/shirou/gopsutil/cpu"
-
 	tui "github.com/gizak/termui/v3"
+	"github.com/xxxserxxx/gotop/v4/devices"
 	ui "github.com/xxxserxxx/gotop/v4/termui"
 	"github.com/xxxserxxx/gotop/v4/utils"
 )
@@ -49,7 +48,7 @@ type ProcWidget struct {
 }
 
 func NewProcWidget() *ProcWidget {
-	cpuCount, err := psCPU.Counts(false)
+	cpuCount, err := devices.CpuCount()
 	if err != nil {
 		log.Printf("failed to get CPU count from gopsutil: %v", err)
 	}
diff --git a/widgets/proc_linux.go b/widgets/proc_linux.go
index 164319d..8fb53a0 100644
--- a/widgets/proc_linux.go
+++ b/widgets/proc_linux.go
@@ -19,6 +19,7 @@ func getProcs() ([]Proc, error) {
 
 	procs := []Proc{}
 	for _, line := range linesOfProcStrings {
+		log.Printf("line is '%s', pid is '%s', cpu is '%s', mem is '%s'", line, strings.TrimSpace(line[0:10]), strings.TrimSpace(line[63:68]), strings.TrimSpace(line[69:74]))
 		pid, err := strconv.Atoi(strings.TrimSpace(line[0:10]))
 		if err != nil {
 			log.Printf("failed to convert PID to int: %v. line: %v", err, line)