azure / azure-umqtt-c
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 14 files with 3,307 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 1 file changed 51-100 times (1,306 lines of code)
    • 2 files changed 21-50 times (1,095 lines of code)
    • 6 files changed 6-20 times (749 lines of code)
    • 5 files changed 1-5 times (157 lines of code)
0% | 39% | 33% | 22% | 4%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 14 files with 3,307 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 2 files changed by 11-25 contributors (2,344 lines of code)
    • 3 files changed by 6-10 contributors (563 lines of code)
    • 7 files changed by 2-5 contributors (297 lines of code)
    • 2 files changed by 1 contributor (103 lines of code)
0% | 70% | 17% | 8% | 3%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
c, sh, txt, h, md, cmd, gitignore, targets, cmake, nuspec, gitmodules, yaml
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
c0% | 49% | 39% | 11% | 0%
h0% | 0% | 26% | 73% | 0%
cmd0% | 0% | 0% | 83% | 16%
targets0% | 0% | 0% | 0% | 100%
cmake0% | 0% | 0% | 0% | 100%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
src0% | 49% | 39% | 11% | 0%
inc0% | 0% | 26% | 73% | 0%
build_all0% | 0% | 0% | 74% | 25%
jenkins0% | 0% | 0% | 0% | 100%
configs0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 14)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
1306 38 2015-12-16 2024-02-09 90 25 jelani.brandon@microsoft.com ericwol@microsoft.com
1038 29 2015-12-16 2021-11-03 40 13 jelani.brandon@microsoft.com dane.walton@microsoft.com
mqtt_client.h
in inc/azure_umqtt_c
 57 - 2016-03-31 2021-11-03 22 9 dcristo@microsoft.com dane.walton@microsoft.com
309 11 2015-12-16 2019-03-29 20 8 jelani.brandon@microsoft.com dcristo@microsoft.com
cmd
build.cmd
in build_all/windows
 197 - 2015-12-16 2024-02-09 18 8 jelani.brandon@microsoft.com ericwol@microsoft.com
mqttconst.h
in inc/azure_umqtt_c
 94 - 2016-03-31 2021-11-03 15 5 dcristo@microsoft.com dane.walton@microsoft.com
mqtt_message.h
in inc/azure_umqtt_c
 31 - 2016-03-31 2019-04-11 10 5 dcristo@microsoft.com jelani.brandon@microsoft.com
mqtt_codec.h
in inc/azure_umqtt_c
 36 - 2016-03-31 2019-04-12 10 4 dcristo@microsoft.com jelani.brandon@microsoft.com
cmd
rebuild_nugets.cmd
in build_all/packaging/windows
 82 - 2016-01-06 2016-07-20 7 3 jelani.brandon@microsoft.com dcristo@microsoft.com
cmd
windows_c.cmd
in jenkins
 12 - 2016-07-27 2018-04-23 3 2 dcristo@microsoft.com jelani.brandon@microsoft.com
24 - 2023-04-25 2023-05-01 3 2 ericwol@microsoft.com 54871851+vaavva@users.norep...
18 - 2022-04-29 2022-06-09 2 2 dawalton@microsoft.com ericwol@microsoft.com
targets
Microsoft.Azure.umqtt.targets
in build_all/packaging/windows
 98 - 2016-02-04 2016-06-01 2 1 jelani.brandon@microsoft.com jelani.brandon@microsoft.com
5 - 2016-11-09 2016-11-09 1 1 andrewbuckley@outlook.com andrewbuckley@outlook.com
Files With Most Contributors (Top 14)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
1306 38 2015-12-16 2024-02-09 90 25 jelani.brandon@microsoft.com ericwol@microsoft.com
1038 29 2015-12-16 2021-11-03 40 13 jelani.brandon@microsoft.com dane.walton@microsoft.com
mqtt_client.h
in inc/azure_umqtt_c
 57 - 2016-03-31 2021-11-03 22 9 dcristo@microsoft.com dane.walton@microsoft.com
309 11 2015-12-16 2019-03-29 20 8 jelani.brandon@microsoft.com dcristo@microsoft.com
cmd
build.cmd
in build_all/windows
 197 - 2015-12-16 2024-02-09 18 8 jelani.brandon@microsoft.com ericwol@microsoft.com
mqttconst.h
in inc/azure_umqtt_c
 94 - 2016-03-31 2021-11-03 15 5 dcristo@microsoft.com dane.walton@microsoft.com
mqtt_message.h
in inc/azure_umqtt_c
 31 - 2016-03-31 2019-04-11 10 5 dcristo@microsoft.com jelani.brandon@microsoft.com
mqtt_codec.h
in inc/azure_umqtt_c
 36 - 2016-03-31 2019-04-12 10 4 dcristo@microsoft.com jelani.brandon@microsoft.com
cmd
rebuild_nugets.cmd
in build_all/packaging/windows
 82 - 2016-01-06 2016-07-20 7 3 jelani.brandon@microsoft.com dcristo@microsoft.com
cmd
windows_c.cmd
in jenkins
 12 - 2016-07-27 2018-04-23 3 2 dcristo@microsoft.com jelani.brandon@microsoft.com
24 - 2023-04-25 2023-05-01 3 2 ericwol@microsoft.com 54871851+vaavva@users.norep...
18 - 2022-04-29 2022-06-09 2 2 dawalton@microsoft.com ericwol@microsoft.com
targets
Microsoft.Azure.umqtt.targets
in build_all/packaging/windows
 98 - 2016-02-04 2016-06-01 2 1 jelani.brandon@microsoft.com jelani.brandon@microsoft.com
5 - 2016-11-09 2016-11-09 1 1 andrewbuckley@outlook.com andrewbuckley@outlook.com
Files With Least Contributors (Top 14)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
targets
Microsoft.Azure.umqtt.targets
in build_all/packaging/windows
 98 - 2016-02-04 2016-06-01 2 1 jelani.brandon@microsoft.com jelani.brandon@microsoft.com
5 - 2016-11-09 2016-11-09 1 1 andrewbuckley@outlook.com andrewbuckley@outlook.com
24 - 2023-04-25 2023-05-01 3 2 ericwol@microsoft.com 54871851+vaavva@users.norep...
18 - 2022-04-29 2022-06-09 2 2 dawalton@microsoft.com ericwol@microsoft.com
cmd
windows_c.cmd
in jenkins
 12 - 2016-07-27 2018-04-23 3 2 dcristo@microsoft.com jelani.brandon@microsoft.com
cmd
rebuild_nugets.cmd
in build_all/packaging/windows
 82 - 2016-01-06 2016-07-20 7 3 jelani.brandon@microsoft.com dcristo@microsoft.com
mqtt_codec.h
in inc/azure_umqtt_c
 36 - 2016-03-31 2019-04-12 10 4 dcristo@microsoft.com jelani.brandon@microsoft.com
mqttconst.h
in inc/azure_umqtt_c
 94 - 2016-03-31 2021-11-03 15 5 dcristo@microsoft.com dane.walton@microsoft.com
mqtt_message.h
in inc/azure_umqtt_c
 31 - 2016-03-31 2019-04-11 10 5 dcristo@microsoft.com jelani.brandon@microsoft.com
309 11 2015-12-16 2019-03-29 20 8 jelani.brandon@microsoft.com dcristo@microsoft.com
cmd
build.cmd
in build_all/windows
 197 - 2015-12-16 2024-02-09 18 8 jelani.brandon@microsoft.com ericwol@microsoft.com
mqtt_client.h
in inc/azure_umqtt_c
 57 - 2016-03-31 2021-11-03 22 9 dcristo@microsoft.com dane.walton@microsoft.com
1038 29 2015-12-16 2021-11-03 40 13 jelani.brandon@microsoft.com dane.walton@microsoft.com
1306 38 2015-12-16 2024-02-09 90 25 jelani.brandon@microsoft.com ericwol@microsoft.com
Correlations

File Size vs. Number of Changes: 14 points

build_all/windows/build.cmd x: 197 lines of code y: 18 # changes src/mqtt_client.c x: 1306 lines of code y: 90 # changes jenkins/windows_c_VsDevCmd.cmd x: 24 lines of code y: 3 # changes jenkins/windows_c_build_as_dynamic.cmd x: 18 lines of code y: 2 # changes inc/azure_umqtt_c/mqtt_client.h x: 57 lines of code y: 22 # changes inc/azure_umqtt_c/mqttconst.h x: 94 lines of code y: 15 # changes src/mqtt_codec.c x: 1038 lines of code y: 40 # changes inc/azure_umqtt_c/mqtt_codec.h x: 36 lines of code y: 10 # changes inc/azure_umqtt_c/mqtt_message.h x: 31 lines of code y: 10 # changes src/mqtt_message.c x: 309 lines of code y: 20 # changes jenkins/windows_c.cmd x: 12 lines of code y: 3 # changes configs/umqttConfig.cmake x: 5 lines of code y: 1 # changes build_all/packaging/windows/rebuild_nugets.cmd x: 82 lines of code y: 7 # changes build_all/packaging/windows/Microsoft.Azure.umqtt.targets x: 98 lines of code y: 2 # changes
90.0
# changes
  min: 1.0
  average: 17.36
  25th percentile: 2.75
  median: 10.0
  75th percentile: 20.5
  max: 90.0
0 1306.0
lines of code
min: 5.0 | average: 236.21 | 25th percentile: 22.5 | median: 69.5 | 75th percentile: 225.0 | max: 1306.0

Number of Contributors vs. Number of Changes: 14 points

build_all/windows/build.cmd x: 8 # contributors y: 18 # changes src/mqtt_client.c x: 25 # contributors y: 90 # changes jenkins/windows_c_VsDevCmd.cmd x: 2 # contributors y: 3 # changes jenkins/windows_c_build_as_dynamic.cmd x: 2 # contributors y: 2 # changes inc/azure_umqtt_c/mqtt_client.h x: 9 # contributors y: 22 # changes inc/azure_umqtt_c/mqttconst.h x: 5 # contributors y: 15 # changes src/mqtt_codec.c x: 13 # contributors y: 40 # changes inc/azure_umqtt_c/mqtt_codec.h x: 4 # contributors y: 10 # changes inc/azure_umqtt_c/mqtt_message.h x: 5 # contributors y: 10 # changes src/mqtt_message.c x: 8 # contributors y: 20 # changes configs/umqttConfig.cmake x: 1 # contributors y: 1 # changes build_all/packaging/windows/rebuild_nugets.cmd x: 3 # contributors y: 7 # changes build_all/packaging/windows/Microsoft.Azure.umqtt.targets x: 1 # contributors y: 2 # changes
90.0
# changes
  min: 1.0
  average: 17.36
  25th percentile: 2.75
  median: 10.0
  75th percentile: 20.5
  max: 90.0
0 25.0
# contributors
min: 1.0 | average: 6.29 | 25th percentile: 2.0 | median: 4.5 | 75th percentile: 8.25 | max: 25.0

Number of Contributors vs. File Size: 14 points

build_all/windows/build.cmd x: 8 # contributors y: 197 lines of code src/mqtt_client.c x: 25 # contributors y: 1306 lines of code jenkins/windows_c_VsDevCmd.cmd x: 2 # contributors y: 24 lines of code jenkins/windows_c_build_as_dynamic.cmd x: 2 # contributors y: 18 lines of code inc/azure_umqtt_c/mqtt_client.h x: 9 # contributors y: 57 lines of code inc/azure_umqtt_c/mqttconst.h x: 5 # contributors y: 94 lines of code src/mqtt_codec.c x: 13 # contributors y: 1038 lines of code inc/azure_umqtt_c/mqtt_codec.h x: 4 # contributors y: 36 lines of code inc/azure_umqtt_c/mqtt_message.h x: 5 # contributors y: 31 lines of code src/mqtt_message.c x: 8 # contributors y: 309 lines of code jenkins/windows_c.cmd x: 2 # contributors y: 12 lines of code configs/umqttConfig.cmake x: 1 # contributors y: 5 lines of code build_all/packaging/windows/rebuild_nugets.cmd x: 3 # contributors y: 82 lines of code build_all/packaging/windows/Microsoft.Azure.umqtt.targets x: 1 # contributors y: 98 lines of code
1306.0
lines of code
  min: 5.0
  average: 236.21
  25th percentile: 22.5
  median: 69.5
  75th percentile: 225.0
  max: 1306.0
0 25.0
# contributors
min: 1.0 | average: 6.29 | 25th percentile: 2.0 | median: 4.5 | 75th percentile: 8.25 | max: 25.0