diff --git a/app/src/DashboardPage.js b/app/src/DashboardPage.js
index c5290ae6..d8b9a7eb 100644
--- a/app/src/DashboardPage.js
+++ b/app/src/DashboardPage.js
@@ -96,7 +96,7 @@ function FlagsMessages() {
     </>
 }
 
-function EvaluateForm({defaultEvaluatedValue = 'Enter an equation above.'}) {
+function EvaluateForm() {
 
     const helpContents = <span>
         <p>Enter an equation above.</p>
diff --git a/app/src/components/Nav.js b/app/src/components/Nav.js
index 0ce30aab..1c75502e 100644
--- a/app/src/components/Nav.js
+++ b/app/src/components/Nav.js
@@ -121,7 +121,7 @@ export function NavBar() {
         const icon = <Link to='/admin/status' color={color}>
             <Icon name='microchip' size='large'/>
         </Link>;
-        memoryIcon = <Popup content={`System Memory: ${memoryPercent}%`} trigger={icon}/>
+        memoryIcon = <Popup content={`System Memory: ${memoryPercent.toFixed()}%`} trigger={icon}/>
     }
 
     // Any disk is busy and processes are waiting.
@@ -130,10 +130,10 @@ export function NavBar() {
     if (percentIOWait >= 50) {
         // Processes are waiting on disk, display a warning icon.
         const color = percentIOWait > 75 ? highWarningColor : lowWarningColor;
-        const icon = <Link to='/admin/status' color={color}>
-            <Icon name='disk' size='large'/>
+        const icon = <Link to='/admin/status'>
+            <Icon name='disk' size='large' color={color}/>
         </Link>;
-        diskWaitIcon = <Popup content={`Processes waiting on disk: ${percentIOWait}`} trigger={icon}/>
+        diskWaitIcon = <Popup content={`Processes waiting on disk: ${percentIOWait.toFixed()}%`} trigger={icon}/>
     }
 
     // CPU temperature.
@@ -145,7 +145,7 @@ export function NavBar() {
         const name = temperature >= criticalTemperature ? 'thermometer' : 'thermometer half';
         const icon = <Icon data-testid='cpuTemperatureIcon' name={name} size='large' color={color}/>
         const link = <Link to='/admin/status'>{icon}</Link>;
-        temperatureIcon = <Popup content={`CPU: ${temperature}°C`} trigger={link}/>;
+        temperatureIcon = <Popup content={`CPU: ${temperature.toFixed()}°C`} trigger={link}/>;
     }
 
     // Power issues, this is always displayed if detected.
diff --git a/wrolpi/common.py b/wrolpi/common.py
index ae843988..01f1a827 100644
--- a/wrolpi/common.py
+++ b/wrolpi/common.py
@@ -227,7 +227,6 @@ __all__ = [
     'Base',
     'ConfigFile',
     'DownloadFileInfo',
-    'DownloadFileInfoLink',
     'LOGGING_CONFIG',
     'ModelHelper',
     'TRACE_LEVEL',
diff --git a/wrolpi/status.py b/wrolpi/status.py
index 7ba0b243..61f145be 100755
--- a/wrolpi/status.py
+++ b/wrolpi/status.py
@@ -15,7 +15,7 @@ import jc
 
 from wrolpi.api_utils import api_app, perpetual_signal
 from wrolpi.cmd import which
-from wrolpi.common import logger, get_warn_once, unique_by_predicate
+from wrolpi.common import logger, get_warn_once, unique_by_predicate, partition, TRACE_LEVEL
 from wrolpi.dates import now
 
 try:
@@ -85,11 +85,9 @@ class IostatInfo:
 
 
 async def get_iostat_stats() -> IostatInfo:
-    logger.trace(f'get_iostat_stats called')
-
     try:
         proc = await asyncio.create_subprocess_shell(
-            'iostat',
+            'iostat 3 2',  # 3 second interval to gather more data, get 2 count.
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
         )
@@ -97,10 +95,14 @@ async def get_iostat_stats() -> IostatInfo:
         if stdout and proc.returncode == 0:
             iostat_stats = jc.parse('iostat', stdout.decode(), quiet=True)
             if iostat_stats:
-                cpu_stats, *_ = iostat_stats
+                cpu_statuses, _ = partition(lambda i: i['type'] == 'cpu', iostat_stats)
+                _, cpu_stats = cpu_statuses  # Use the second status because the first is a lie.
 
-                logger.trace(
-                    f'get_iostat_stats got percent_iowait={cpu_stats["percent_iowait"]} percent_idle={cpu_stats["percent_idle"]}')
+                if logger.isEnabledFor(TRACE_LEVEL):
+                    logger.trace(
+                        f'get_iostat_stats'
+                        f' percent_iowait={cpu_stats["percent_iowait"]}'
+                        f' percent_idle={cpu_stats["percent_idle"]}')
                 # Return only the CPU stats.
                 return IostatInfo(
                     percent_idle=cpu_stats['percent_idle'],
@@ -111,6 +113,8 @@ async def get_iostat_stats() -> IostatInfo:
                     percent_user=cpu_stats['percent_user'],
                 )
     except Exception as e:
+        if logger.isEnabledFor(TRACE_LEVEL):
+            logger.trace(f'get_iostat_stats failed: {e}')
         warn_iostat_once(e)
 
     return IostatInfo()
@@ -164,6 +168,7 @@ TOP_REGEX = re.compile(r'^%Cpu\(s\):\s+(\d+\.\d+)', re.MULTILINE)
 
 CORE_COUNT = multiprocessing.cpu_count()
 
+
 async def get_cpu_stats() -> CPUInfo:
     """Get core count, max freq, min freq, current freq, cpu temperature."""
     percent = int(psutil.cpu_percent())