January 2026 - gerrit-log - lists.osmocom.org

[S] Change in docker-playground[master]: ttcn3-bts-test: bpftrace: filter by executable name
by fixeria 07 Jan '26

07 Jan '26

fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/docker-playground/+/41778?usp=email ) Change subject: ttcn3-bts-test: bpftrace: filter by executable name ...................................................................... ttcn3-bts-test: bpftrace: filter by executable name Filtering by pid does not work as expected, perhaps because we obtain it (by running pidof) in the container itself. Let's modify the scripts to filter by the executable name instead. Change-Id: I04c2e36806534a8ca650733bacf521ea57950692 Related: OS#6794 --- M ttcn3-bts-test/bpftrace/ksys_write_delay.bt M ttcn3-bts-test/bpftrace/udp_sendmsg_delay.bt M ttcn3-bts-test/jenkins.sh 3 files changed, 10 insertions(+), 19 deletions(-) git pull ssh://gerrit.osmocom.org:29418/docker-playground refs/changes/78/41778/1 diff --git a/ttcn3-bts-test/bpftrace/ksys_write_delay.bt b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt index 969dd29..bb964c3 100644 --- a/ttcn3-bts-test/bpftrace/ksys_write_delay.bt +++ b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt @@ -7,11 +7,9 @@ * Implemented 2026 by Pau Espin Pedrol <pespin(a)sysmocom.de> * SPDX-License-Identifier: CC0 * - * As no filtering on PID etc. is done, you will likely use this with 'bpftrace -p' like + * The executable name must be passed as the first argument: * - * bpftrace ./ksys_write.bt -p PID - * - * (where PID is the PID of the process, like osmo-bts-trx) + * bpftrace ./ksys_write.bt osmo-bts-trx */ BEGIN @@ -19,7 +17,7 @@ printf("Tracing ksys_write() latency... Hit Ctrl-C to end.\n"); } -kprobe:ksys_write +kprobe:ksys_write / comm == $1 / { $fd = (int64)arg0; diff --git a/ttcn3-bts-test/bpftrace/udp_sendmsg_delay.bt b/ttcn3-bts-test/bpftrace/udp_sendmsg_delay.bt index 8525413..f09960e 100644 --- a/ttcn3-bts-test/bpftrace/udp_sendmsg_delay.bt +++ b/ttcn3-bts-test/bpftrace/udp_sendmsg_delay.bt @@ -7,11 +7,9 @@ * Implemented 2025 by Vadim Yanitskiy <fixeria(a)osmocom.org> * SPDX-License-Identifier: CC0 * - * As no filtering on PID etc. is done, you will likely use this with 'bpftrace -p' like + * The executable name must be passed as the first argument: * - * bpftrace ./udp_sendmsg_delay.bt -p PID - * - * (where PID is the PID of the process, like osmo-bts-trx) + * bpftrace ./udp_sendmsg_delay.bt osmo-bts-trx */ BEGIN @@ -19,7 +17,7 @@ printf("Tracing udp_sendmsg() latency... Hit Ctrl-C to end.\n"); } -kprobe:udp_sendmsg +kprobe:udp_sendmsg / comm == $1 / { $sk = (struct sock *)arg0; /* poor man's ntohs() */ diff --git a/ttcn3-bts-test/jenkins.sh b/ttcn3-bts-test/jenkins.sh index 6e5cc67..0571d65 100755 --- a/ttcn3-bts-test/jenkins.sh +++ b/ttcn3-bts-test/jenkins.sh @@ -85,19 +85,14 @@ continue fi - local logfile="$VOL_BASE_DIR"/bts/bpftrace/$(basename "$script" | sed s/\.bt/.log/) - local startscript="$VOL_BASE_DIR"/bts/bpftrace/$(basename "$script" | sed s/\.bt/.sh/) + local scriptfile="/data/bpftrace/$(basename "$script")" + local logfile="${scriptfile}.log" cp "$script" "$VOL_BASE_DIR"/bts/bpftrace - ( echo "#!/bin/sh -ex" - echo "bpftrace /data/bpftrace/$(basename "$script") -p \$(pidof osmo-bts-$variant)" ) >"$startscript" - chmod +x "$startscript" - - docker exec \ + docker exec -d \ "${BUILD_TAG}-bts" \ - /usr/local/bin/respawn.sh /data/bpftrace/"$(basename "$startscript")" \ - >>"$logfile" 2>&1 & + /bin/sh -c "/usr/local/bin/respawn.sh bpftrace $scriptfile osmo-bts-$variant >>$logfile 2>&1" done fi } -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/41778?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: I04c2e36806534a8ca650733bacf521ea57950692 Gerrit-Change-Number: 41778 Gerrit-PatchSet: 1 Gerrit-Owner: fixeria <vyanitskiy(a)sysmocom.de>

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[S] Change in osmo-bts[master]: abis_osmo: Fix reading Abis IPA OSMO_EXT type
by pespin 07 Jan '26

07 Jan '26

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/41776?usp=email ) Change subject: abis_osmo: Fix reading Abis IPA OSMO_EXT type ...................................................................... abis_osmo: Fix reading Abis IPA OSMO_EXT type The l2 buffer points to the IPA payload, not the the ext type. This was probably not the case during initial development of the stack, but it is since a while ago, to be inline with usual behavior of ipa handling. This patch fixes BTS_Tests_OML.TC_ipa_osmo_pcu_anr_fwd failure. Change-Id: I4941d28b2416a70e61d2881e8ebc556c5421256c --- M src/common/abis_osmo.c 1 file changed, 2 insertions(+), 14 deletions(-) Approvals: fixeria: Looks good to me, but someone else must approve pespin: Looks good to me, approved Jenkins Builder: Verified daniel: Looks good to me, but someone else must approve diff --git a/src/common/abis_osmo.c b/src/common/abis_osmo.c index beb9992..eb764d5 100644 --- a/src/common/abis_osmo.c +++ b/src/common/abis_osmo.c @@ -111,24 +111,12 @@ /* incoming IPA/OSMO extension Abis message from BSC */ int down_osmo(struct gsm_bts *bts, struct msgb *msg) { - uint8_t *type; - - if (msgb_l2len(msg) < 1) { - oml_tx_failure_event_rep(&bts->mo, NM_SEVER_MAJOR, OSMO_EVT_MAJ_UKWN_MSG, - "OSMO message too short\n"); - msgb_free(msg); - return -EIO; - } - - type = msgb_l2(msg); - msg->l2h = type + 1; - - switch (*type) { + switch (osmo_ipa_msgb_cb_proto_ext(msg)) { case IPAC_PROTO_EXT_PCU: return rx_down_osmo_pcu(bts, msg); default: oml_tx_failure_event_rep(&bts->mo, NM_SEVER_MAJOR, OSMO_EVT_MAJ_UKWN_MSG, - "OSMO message unknown extension %u\n", *type); + "OSMO message unknown extension %u\n", osmo_ipa_msgb_cb_proto_ext(msg)); msgb_free(msg); return -EIO; } -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/41776?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: merged Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: I4941d28b2416a70e61d2881e8ebc556c5421256c Gerrit-Change-Number: 41776 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: daniel <dwillmann(a)sysmocom.de> Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de>

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[S] Change in osmo-bts[master]: abis_osmo: Fix reading Abis IPA OSMO_EXT type
by pespin 07 Jan '26

07 Jan '26

pespin has posted comments on this change by pespin. ( https://gerrit.osmocom.org/c/osmo-bts/+/41776?usp=email ) Change subject: abis_osmo: Fix reading Abis IPA OSMO_EXT type ...................................................................... Patch Set 1: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/41776?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: I4941d28b2416a70e61d2881e8ebc556c5421256c Gerrit-Change-Number: 41776 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: daniel <dwillmann(a)sysmocom.de> Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-Comment-Date: Wed, 07 Jan 2026 17:38:29 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes

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[S] Change in docker-playground[master]: bpftrace: Introduce ksys_write_delay.bt
by pespin 07 Jan '26

07 Jan '26

pespin has submitted this change. ( https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email ) Change subject: bpftrace: Introduce ksys_write_delay.bt ...................................................................... bpftrace: Introduce ksys_write_delay.bt This will record latency of write() calls during ttcn3-bts-test run, where some write() call on stderr seems to be taking ~0.32 seconds, stalling the timerfd (71 times) and making osmo-bts exit. Related: OS#6794 Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 --- A ttcn3-bts-test/bpftrace/ksys_write_delay.bt 1 file changed, 39 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified fixeria: Looks good to me, approved laforge: Looks good to me, but someone else must approve diff --git a/ttcn3-bts-test/bpftrace/ksys_write_delay.bt b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt new file mode 100644 index 0000000..969dd29 --- /dev/null +++ b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt @@ -0,0 +1,39 @@ +#!/usr/bin/env bpftrace + +/* Script to obtain ksys_write() latency histograms. + * It will measure time between entry and exit and plot one histogram + * for each destination port number, indicating the amount of time spent. + * + * Implemented 2026 by Pau Espin Pedrol <pespin(a)sysmocom.de> + * SPDX-License-Identifier: CC0 + * + * As no filtering on PID etc. is done, you will likely use this with 'bpftrace -p' like + * + * bpftrace ./ksys_write.bt -p PID + * + * (where PID is the PID of the process, like osmo-bts-trx) + */ + +BEGIN +{ + printf("Tracing ksys_write() latency... Hit Ctrl-C to end.\n"); +} + +kprobe:ksys_write +{ + $fd = (int64)arg0; + + @start[tid] = nsecs; + @fd[tid] = $fd; +} + +kretprobe:ksys_write / @start[tid] / +{ + $delta_us = (nsecs - @start[tid]) / 1000; + @latency[@fd[tid]] = hist($delta_us); + + delete(@start[tid]); + delete(@fd[tid]); +} + +/* vim:set ts=2 sw=2 et: */ -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: merged Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 Gerrit-Change-Number: 41777 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de>

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[S] Change in docker-playground[master]: bpftrace: Introduce ksys_write_delay.bt
by fixeria 07 Jan '26

07 Jan '26

Attention is currently required from: pespin. fixeria has posted comments on this change by pespin. ( https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email ) Change subject: bpftrace: Introduce ksys_write_delay.bt ...................................................................... Patch Set 1: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 Gerrit-Change-Number: 41777 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Attention: pespin <pespin(a)sysmocom.de> Gerrit-Comment-Date: Wed, 07 Jan 2026 17:27:22 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes

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[XS] Change in pysim[master]: saip: rework file sizes for "half-defined" template files
by lynxis lazus 07 Jan '26

07 Jan '26

Attention is currently required from: laforge, neels. lynxis lazus has posted comments on this change by lynxis lazus. ( https://gerrit.osmocom.org/c/pysim/+/41686?usp=email ) Change subject: saip: rework file sizes for "half-defined" template files ...................................................................... Patch Set 2: (1 comment) Commit Message: https://gerrit.osmocom.org/c/pysim/+/41686/comment/031d9fa3_462e7883?usp=em… : PS1, Line 13: TODO: add crash > I guess you wante to add something here? Done -- To view, visit https://gerrit.osmocom.org/c/pysim/+/41686?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I7c4a0914aef1049a416e6b091f23daab39a1dd9c Gerrit-Change-Number: 41686 Gerrit-PatchSet: 2 Gerrit-Owner: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: neels <nhofmeyr(a)sysmocom.de> Gerrit-Attention: neels <nhofmeyr(a)sysmocom.de> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Comment-Date: Wed, 07 Jan 2026 16:27:19 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: laforge <laforge(a)osmocom.org>

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[XS] Change in pysim[master]: saip: rework file sizes for "half-defined" template files
by lynxis lazus 07 Jan '26

07 Jan '26

Attention is currently required from: laforge, lynxis lazus, neels. Hello Jenkins Builder, laforge, neels, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/pysim/+/41686?usp=email to look at the new patch set (#2). The following approvals got outdated and were removed: Code-Review+1 by laforge, Code-Review+2 by neels, Verified+1 by Jenkins Builder The change is no longer submittable: Code-Review and Verified are unsatisfied now. Change subject: saip: rework file sizes for "half-defined" template files ...................................................................... saip: rework file sizes for "half-defined" template files Define the file size early if possible. Some templates (e.g. for 5GS) define files which aren't completely defined. Fixes the parsing for 5GS SUCI_Calc_Info which doesn't have a file size defined. The saip-tool will other crash when reading a 5G enabled profile: ``` Traceback (most recent call last): File "./contrib/saip-tool.py", line 458, in <module> pes = ProfileElementSequence.from_der(f.read()) File "pySim/esim/saip/__init__.py", line 1679, in from_der inst.parse_der(der) ~~~~~~~~~~~~~~^^^^^ File "pySim/esim/saip/__init__.py", line 1552, in parse_der self.pe_list.append(ProfileElement.from_der(first_tlv, pe_sequence=self)) ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "pySim/esim/saip/__init__.py", line 557, in from_der inst._post_decode() ~~~~~~~~~~~~~~~~~^^ File "pySim/esim/saip/__init__.py", line 668, in _post_decode self.pe2files() ~~~~~~~~~~~~~^^ File "pySim/esim/saip/__init__.py", line 655, in pe2files file = File(k, v, template.files_by_pename.get(k, None)) File "pySim/esim/saip/__init__.py", line 133, in __init__ self.from_tuples(l) ~~~~~~~~~~~~~~~~^^^ File "pySim/esim/saip/__init__.py", line 358, in from_tuples self._body = self.file_content_from_tuples(l) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^ File "pySim/esim/saip/__init__.py", line 393, in file_content_from_tuples stream.write(self.template.expand_default_value_pattern(self.file_size)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^ File "pySim/esim/saip/templates.py", line 123, in expand_default_value_pattern raise ValueError("%s does not have a default length" % self) ValueError: FileTemplate(EF.SUCI_Calc_Info) does not have a default length ``` Change-Id: I7c4a0914aef1049a416e6b091f23daab39a1dd9c --- M pySim/esim/saip/__init__.py 1 file changed, 4 insertions(+), 2 deletions(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/86/41686/2 -- To view, visit https://gerrit.osmocom.org/c/pysim/+/41686?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newpatchset Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I7c4a0914aef1049a416e6b091f23daab39a1dd9c Gerrit-Change-Number: 41686 Gerrit-PatchSet: 2 Gerrit-Owner: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: neels <nhofmeyr(a)sysmocom.de> Gerrit-Attention: neels <nhofmeyr(a)sysmocom.de> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Attention: lynxis lazus <lynxis(a)fe80.eu>

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[XS] Change in pysim[master]: saip: calculate the number of records for LF and CY
by lynxis lazus 07 Jan '26

07 Jan '26

Attention is currently required from: lynxis lazus. Hello Jenkins Builder, laforge, neels, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/pysim/+/41687?usp=email to look at the new patch set (#2). The following approvals got outdated and were removed: Verified+1 by Jenkins Builder The change is no longer submittable: Verified is unsatisfied now. Change subject: saip: calculate the number of records for LF and CY ...................................................................... saip: calculate the number of records for LF and CY Some templates (e.g. for 5GS) define files which aren't completely defined. 5GS OPL5G: doesn't have a file size defined in the template, but a record size. Change-Id: I5ec1757d6852eb24d3662ec1c3fc88365e90a616 --- M pySim/esim/saip/__init__.py 1 file changed, 3 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/87/41687/2 -- To view, visit https://gerrit.osmocom.org/c/pysim/+/41687?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newpatchset Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I5ec1757d6852eb24d3662ec1c3fc88365e90a616 Gerrit-Change-Number: 41687 Gerrit-PatchSet: 2 Gerrit-Owner: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: neels <nhofmeyr(a)sysmocom.de> Gerrit-Attention: lynxis lazus <lynxis(a)fe80.eu>

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[S] Change in docker-playground[master]: bpftrace: Introduce ksys_write_delay.bt
by laforge 07 Jan '26

07 Jan '26

Attention is currently required from: pespin. laforge has posted comments on this change by pespin. ( https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email ) Change subject: bpftrace: Introduce ksys_write_delay.bt ...................................................................... Patch Set 1: Code-Review+1 -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 Gerrit-Change-Number: 41777 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Attention: pespin <pespin(a)sysmocom.de> Gerrit-Comment-Date: Wed, 07 Jan 2026 16:14:44 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes

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[S] Change in docker-playground[master]: bpftrace: Introduce ksys_write_delay.bt
by pespin 07 Jan '26

07 Jan '26

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email ) Change subject: bpftrace: Introduce ksys_write_delay.bt ...................................................................... bpftrace: Introduce ksys_write_delay.bt This will record latency of write() calls during ttcn3-bts-test run, where some write() call on stderr seems to be taking ~0.32 seconds, stalling the timerfd (71 times) and making osmo-bts exit. Related: OS#6794 Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 --- A ttcn3-bts-test/bpftrace/ksys_write_delay.bt 1 file changed, 39 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/docker-playground refs/changes/77/41777/1 diff --git a/ttcn3-bts-test/bpftrace/ksys_write_delay.bt b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt new file mode 100644 index 0000000..969dd29 --- /dev/null +++ b/ttcn3-bts-test/bpftrace/ksys_write_delay.bt @@ -0,0 +1,39 @@ +#!/usr/bin/env bpftrace + +/* Script to obtain ksys_write() latency histograms. + * It will measure time between entry and exit and plot one histogram + * for each destination port number, indicating the amount of time spent. + * + * Implemented 2026 by Pau Espin Pedrol <pespin(a)sysmocom.de> + * SPDX-License-Identifier: CC0 + * + * As no filtering on PID etc. is done, you will likely use this with 'bpftrace -p' like + * + * bpftrace ./ksys_write.bt -p PID + * + * (where PID is the PID of the process, like osmo-bts-trx) + */ + +BEGIN +{ + printf("Tracing ksys_write() latency... Hit Ctrl-C to end.\n"); +} + +kprobe:ksys_write +{ + $fd = (int64)arg0; + + @start[tid] = nsecs; + @fd[tid] = $fd; +} + +kretprobe:ksys_write / @start[tid] / +{ + $delta_us = (nsecs - @start[tid]) / 1000; + @latency[@fd[tid]] = hist($delta_us); + + delete(@start[tid]); + delete(@fd[tid]); +} + +/* vim:set ts=2 sw=2 et: */ -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/41777?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: Ia1d2036ac7c6c9e2818d07e8787d857b3b3e5881 Gerrit-Change-Number: 41777 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de>

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