From 9361b771ad0b8fe1206469b89fc2eef9d13fe8b2 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 10 Jun 2015 19:44:20 -0300 Subject: [PATCH 3/7] interrupts: Do not refrain from parsing the irq affinities for !root I.e. let the OS be the one to decide if access to this file is allowed or not, and non root users can see this, at least around 4.1-rc times: Running: procfs/procfs.py: 31: {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI-edge', 'cpu': [178564, 0, 285828, 0], 'users': ['xhci_hcd']} 30: {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI-edge', 'cpu': [342630, 0, 197229, 0], 'users': ['0000:00:1f.2']} 35: {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI-edge', 'cpu': [858, 0, 565, 0], 'users': ['snd_hda_intel']} 34: {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI-edge', 'cpu': [306, 0, 44, 0], 'users': ['thunderbolt']} And now 'tuna -Q' works for non root users: [acme@zoo python-linux-procfs]$ ../tuna/tuna-cmd.py -Q # users affinity 0 timer 0,1,2,3 8 rtc0 0,1,2,3 9 acpi 0,1,2,3 17 17-fasteoi brcmsmac 0,1,2,3 22 22-fasteoi ehci_hcd:usb4 0,1,2,3 23 23-fasteoi ehci_hcd:usb3 0,1,2,3 26 pciehp 0,1,2,3 27 pciehp 0,1,2,3 28 pciehp 0,1,2,3 29 pciehp 0,1,2,3 30 0000:00:1f.2 0,1,2,3 31 xhci_hcd 0,1,2,3 32 i915 0,1,2,3 33 mei_me 0,1,2,3 34 thunderbolt 0,1,2,3 35 snd_hda_intel 0,1,2,3 [acme@zoo python-linux-procfs]$ Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: John Kacur --- procfs/procfs.py | 2 -- 1 file changed, 2 deletions(-) diff --git a/procfs/procfs.py b/procfs/procfs.py index 4ff7e9804bc9..2d0e2b043797 100755 --- a/procfs/procfs.py +++ b/procfs/procfs.py @@ -405,8 +405,6 @@ class interrupts: return dict def parse_affinity(self, irq): - if os.getuid() != 0: - return try: f = file("/proc/irq/%s/smp_affinity" % irq) line = f.readline() -- 1.8.3.1