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Date: Tue, 25 Aug 2020 12:13:06 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Nathan Royce <nroycea+kernel@...il.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Borislav Petkov <bp@...en8.de>, x86@...nel.org,
"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: localmodconfig - "intel_rapl_perf config not found!!"
On 8/25/20 11:28 AM, Nathan Royce wrote:
> Intel Haswell
> Linux 5.8.3
>
> First time I've used localmodconfig ever since reading what it does
> and liking the "supposed" kernel customization specific to the system.
> I only use quotes on "supposed" because I DO still see entries I have
> no interest in (not applicable to my system/needs).
> I don't know if another email would be warranted for localmodconfig
> only or if my expectation of it is unrealistic.
>
> The "intel_rapl_perf config not found!!" comes up with every .config I try.
> The simplest test I can come up with would be:
> *****
> make defconfig //x86_64_defconfig
> lsmod > lsmod.cfg
> make localmodconfig LSMOD=lsmod.cfg
> *****
so intel_rapl_perf is listed in your lsmod.cfg file:
intel_rapl_perf 16384 2
You say Linux 5.8.3. I'm guessing that your "make localmodconfig" tree
is Linux 5.8.3 (?). What kernel version are you running?
I think that it's older, and some file/module names have changed since then.
>
> lsmod.cfg
> *****
> Module Size Used by
> uinput 20480 1
> rfcomm 94208 16
> ccm 20480 9
> cmac 16384 5
> algif_hash 16384 2
> bnep 28672 2
> btrfs 1556480 1
> blake2b_generic 20480 0
> xor 24576 1 btrfs
> raid6_pq 122880 1 btrfs
> libcrc32c 16384 1 btrfs
> crc32c_generic 16384 0
> nls_iso8859_1 16384 1
> nls_cp437 20480 1
> vfat 24576 1
> fat 90112 1 vfat
> snd_usb_audio 311296 0
> snd_usbmidi_lib 45056 1 snd_usb_audio
> snd_rawmidi 45056 1 snd_usbmidi_lib
> snd_seq_device 16384 1 snd_rawmidi
> tda18271 53248 1
> au8522_dig 16384 1
> au8522_common 16384 1 au8522_dig
> au0828 69632 1
> tveeprom 28672 1 au0828
> dvb_core 176128 1 au0828
> videobuf2_vmalloc 20480 2 dvb_core,au0828
> videobuf2_memops 20480 1 videobuf2_vmalloc
> videobuf2_v4l2 28672 1 au0828
> intel_rapl_msr 20480 0
> btusb 57344 0
> videodev 274432 2 videobuf2_v4l2,au0828
> btrtl 24576 1 btusb
> btbcm 20480 1 btusb
> videobuf2_common 57344 3 videobuf2_v4l2,dvb_core,au0828
> intel_rapl_common 32768 1 intel_rapl_msr
> rc_core 61440 1 au0828
> btintel 32768 1 btusb
> bluetooth 688128 49 btrtl,btintel,btbcm,bnep,btusb,rfcomm
> x86_pkg_temp_thermal 20480 0
> intel_powerclamp 20480 0
> mousedev 24576 0
> ecdh_generic 16384 2 bluetooth
> ecc 36864 1 ecdh_generic
> crc16 16384 1 bluetooth
> rtl8821ae 290816 0
> coretemp 20480 0
> snd_hda_codec_hdmi 73728 1
> btcoexist 225280 1 rtl8821ae
> kvm_intel 335872 0
> rtl_pci 36864 1 rtl8821ae
> rtlwifi 139264 3 rtl_pci,rtl8821ae,btcoexist
> kvm 876544 1 kvm_intel
> iTCO_wdt 16384 0
> mei_hdcp 24576 0
> iTCO_vendor_support 16384 1 iTCO_wdt
> mac80211 954368 3 rtl_pci,rtl8821ae,rtlwifi
> i915 2703360 60
> snd_hda_codec_realtek 143360 1
> irqbypass 16384 1 kvm
> snd_hda_codec_generic 98304 1 snd_hda_codec_realtek
> ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
> intel_cstate 16384 0
> snd_hda_intel 53248 4
> snd_soc_rt5640 147456 0
> intel_uncore 163840 0
> cfg80211 925696 2 rtlwifi,mac80211
> snd_intel_dspcfg 24576 1 snd_hda_intel
> snd_soc_rl6231 20480 1 snd_soc_rt5640
> intel_rapl_perf 16384 2
> snd_hda_codec 176128 4
> snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
> snd_soc_core 311296 1 snd_soc_rt5640
> rfkill 32768 11 bluetooth,cfg80211
> libarc4 16384 1 mac80211
> snd_compress 32768 1 snd_soc_core
> alx 57344 0
> input_leds 16384 0
> snd_hda_core 114688 5
> snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
> i2c_algo_bit 16384 1 i915
> ac97_bus 16384 1 snd_soc_core
> snd_pcm_dmaengine 16384 1 snd_soc_core
> snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
> mdio 16384 1 alx
> drm_kms_helper 266240 1 i915
> snd_pcm 159744 9
> snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_soc_rt5640,snd_compress,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
> cec 69632 2 drm_kms_helper,i915
> snd_timer 49152 1 snd_pcm
> mei_me 49152 1
> intel_gtt 24576 1 i915
> syscopyarea 16384 1 drm_kms_helper
> sysfillrect 16384 1 drm_kms_helper
> sysimgblt 16384 1 drm_kms_helper
> snd 118784 22
> snd_hda_codec_generic,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
> fb_sys_fops 16384 1 drm_kms_helper
> soundcore 16384 1 snd
> mei 131072 3 mei_hdcp,mei_me
> i2c_i801 36864 0
> lpc_ich 28672 0
> evdev 28672 12
> mac_hid 16384 0
> pcspkr 16384 0
> drm 606208 16 drm_kms_helper,i915
> agpgart 53248 2 intel_gtt,drm
> ip_tables 36864 0
> x_tables 53248 1 ip_tables
> f2fs 630784 1
> dm_crypt 49152 2
> serpent_avx2 49152 4
> serpent_avx_x86_64 49152 1 serpent_avx2
> serpent_sse2_x86_64 53248 0
> serpent_generic 32768 5
> serpent_avx2,serpent_sse2_x86_64,serpent_avx_x86_64
> algif_skcipher 16384 2
> af_alg 36864 10 algif_hash,algif_skcipher
> uas 32768 0
> usb_storage 81920 3 uas
> sr_mod 28672 0
> sd_mod 61440 5
> cdrom 77824 1 sr_mod
> hid_logitech_hidpp 45056 0
> hid_logitech_dj 28672 0
> hid_generic 16384 0
> usbhid 65536 1 hid_logitech_dj
> hid 143360 4
> usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
> crct10dif_pclmul 16384 1
> crc32_pclmul 16384 1
> serio_raw 20480 0
> crc32c_intel 24576 2
> atkbd 36864 0
> libps2 20480 1 atkbd
> ghash_clmulni_intel 16384 0
> ahci 40960 1
> libahci 45056 1 ahci
> libata 303104 2 libahci,ahci
> aesni_intel 372736 13
> scsi_mod 274432 5 sd_mod,usb_storage,uas,libata,sr_mod
> crypto_simd 16384 4
> serpent_avx2,serpent_sse2_x86_64,aesni_intel,serpent_avx_x86_64
> cryptd 28672 6 crypto_simd,ghash_clmulni_intel
> glue_helper 16384 4
> serpent_avx2,serpent_sse2_x86_64,aesni_intel,serpent_avx_x86_64
> xhci_pci 20480 0
> xhci_hcd 294912 1 xhci_pci
> ehci_pci 20480 0
> ehci_hcd 98304 1 ehci_pci
> i8042 32768 0
> serio 28672 4 serio_raw,atkbd,i8042
> dm_mod 167936 10 dm_crypt
> pkcs8_key_parser 16384 0
> nct6775 77824 0
> hwmon_vid 16384 1 nct6775
> crypto_user 16384 0
> *****
>
> That alone is problematic in that localmodconfig is only going by
> what's in the .config and not filling in the blanks, so I have to
> "make menuconfig" and go through each "module <*> did not have configs
> <CONFIG_*>" and manually set them.
>
> But even after I take care of all the missing entries, the
> "intel_rapl_perf" still comes up when running localmodconfig again.
>
> I'm going to assume it has something to do with the naming and it's
> supposed to be associated with "Intel/AMD rapl performance events
> (CONFIG_PERF_EVENTS_INTEL_RAPL)" which I already have set to 'Y'.
> Right below that, I also get 'Use of uninitialized value
> $ENV{"LMC_KEEP"} in split at ./scripts/kconfig/streamline_config.pl
> line 596.', but again that is the sort of thing that may warrant a new
> email specific to localmodconfig author(s). But again maybe not
> because I take it more as a warning given I don't make use of
> LMC_KEEP.
>
--
~Randy
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