Wind River Support Network

Description

intel-x86-64: Failed to run sleepgraph in rt kernel

root@intel-x86-64:~# sleepgraph -m mem -rtcwake 60 -o suspend/
 Checking this system (intel-x86-64)...
 have root access: YES
 is sysfs mounted: YES
 is "mem" a valid power mode: YES
 is ftrace supported: YES
 are kprobes supported: NO
 timeline data source: FTRACE (all trace events found)
 is rtcwake supported: YES
 baseboard-manufacturer : Intel Corporation
 baseboard-product-name : NUC7i5DNB
 baseboard-serial-number : BTDN9240094K
 baseboard-version : J57626-513
 bios-release-date : 05/23/2019
 bios-vendor : Intel Corp.
 bios-version : DNKBLi5v.86A.0064.2019.0523.1933
 chassis-manufacturer : Intel Corporation
 chassis-version : 2
 processor-manufacturer : Intel(R) Corporation
 processor-version : Intel(R) Core(TM) i5-7300U CPU @ 2.60GHz
 system-manufacturer : Intel(R) Client Systems
 system-product-name : NUC7i5DNKE
 system-serial-number : BTDN9240094K
 system-version : J72865-513
 cpucount : 4
 memtotal : 8035440 kB
 memfree : 7339772 kB
 INITIALIZING FTRACE...
 Setting trace buffers to 65536 kB (16384 kB per cpu)
 START TRACING
 SUSPEND START
 will issue an rtcwake in 60 seconds
 002: Restarting tasks ... done.
 002: PM: suspe
 000: (elapsed 0.002 seconds) 
 n
 000: done.
 d
 000: 
 entry (deep)
 001: (elapsed 0.001 seconds) 
 0
 001: done.
 0
 001: 
 2: Filesystems sync: 0.000 seconds
 002: PM: Preparing system for sleep (deep)
 002: Freezing user space processes ... 
 000: OOM killer disabled.
 000: Freezing remaining freezable tasks ... 
 001: PM: Suspending system (deep)
 * 
 ** 37 printk messages dropped **
 003: serial 00:02: activated
 002: nvme nvme0: 4/0/0 default/read/poll queues
 002: ata1: SATA link down (SStatus 4 SControl 300)
 000: PM: resume of devices complete after 432.351 msecs
 003: acpi LNXPOWER:01: Turning OFF
 003: PM: Finishing wakeup.
 003: OOM killer enabled.
 003: done.
 003: thermal thermal_zone4: failed to read out thermal zone (-61)
 003: Restarting tasks ... done.
 003: video LNXVIDEO:00: Restoring backlight state
 000: PM: suspend exit
 001: e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
 RESUME COMPLETE
 CAPTURING DMESG
 CAPTURING TRACE
 PROCESSING DATA
 WARNING: ftrace start marker is missing
 Traceback (most recent call last):
 File "/usr/bin/sleepgraph", line 6748, in <module>
 ret = runTest()
 File "/usr/bin/sleepgraph", line 5894, in runTest
 testruns, stamp = processData(True)
 File "/usr/bin/sleepgraph", line 5802, in processData
 for key in sorted(sysvals.stamp):
 TypeError: 'int' object is not iterable

Steps to Reproduce

Project Build:
----------------------
    --machines=intel-x86-64 --templates feature/kexec feature/kdump feature/tpm2 feature/xfce feature/docker feature/lxc --distro wrlinux --dl-layers
    Build Steps:
    . oe-init-build-env
    Add BTS layer  
    1.bitbake-layers add-layer <path to wr-testing/bts-dev>
    2.echo "require templates/feature/bts/template.conf" >> conf/local.conf
    3.echo 'PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-rt"' >> conf/local.conf
    
    build image:
    # bitbake wrlinux-image-glibc-std