fix(driver): include jiffies.h to prevent warning about missing prototype

[hhoffstaette]

The prototype for nsec_to_clock_t is in <linux/jiffies.h>, which is not included by ppm_cputime.c. jiffies.h includes time.h so we can just switch the import.

What type of PR is this?

/kind cleanup

Any specific area of the project related to this PR?

/area driver-kmod

Does this PR require a change in the driver versions?

no

Which issue(s) this PR fixes:

Fixes #2142

Does this PR introduce a user-facing change?:

NONE

[FedeDP]

/approve

[poiana]

LGTM label has been added.

Git tree hash: 81ea78b0853ae74498ea65b6662c32234bb6a0a3

[FedeDP]

/milestone next-driver
Thank you very much for the fix!

[github-actions]

Perf diff from master - unit tests

     3.05%     -0.82%  [.] sinsp::fetch_next_event
     3.47%     -0.60%  [.] gzfile_read
     1.71%     +0.58%  [.] std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release
     2.84%     +0.55%  [.] sinsp_thread_manager::get_thread_ref
     0.84%     -0.54%  [.] thread_group_info::get_first_thread
     1.67%     +0.52%  [.] std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char const*>
     1.66%     -0.46%  [.] libsinsp::state::stl_container_table_adapter<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, libsinsp::state::value_table_entry_adapter<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, libsinsp::state::value_table_entry_adapter<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >::dynamic_fields_t>::stl_container_table_adapter
     1.21%     -0.45%  [.] sinsp_parser::event_cleanup
     8.99%     +0.43%  [.] sinsp_parser::reset
     4.04%     +0.40%  [.] sinsp_parser::process_event

Heap diff from master - unit tests

peak heap memory consumption: 0B
peak RSS (including heaptrack overhead): 0B
total memory leaked: 0B

Heap diff from master - scap file

peak heap memory consumption: 0B
peak RSS (including heaptrack overhead): 0B
total memory leaked: 0B

Benchmarks diff from master

Comparing gbench_data.json to /root/actions-runner/_work/libs/libs/build/gbench_data.json
Benchmark                                                         Time             CPU      Time Old      Time New       CPU Old       CPU New
----------------------------------------------------------------------------------------------------------------------------------------------
BM_sinsp_split_mean                                            -0.0247         -0.0246           151           147           151           147
BM_sinsp_split_median                                          -0.0285         -0.0285           151           147           151           147
BM_sinsp_split_stddev                                          +1.9786         +1.9727             0             1             0             1
BM_sinsp_split_cv                                              +2.0539         +2.0476             0             0             0             0
BM_sinsp_concatenate_paths_relative_path_mean                  -0.0353         -0.0352            57            55            57            55
BM_sinsp_concatenate_paths_relative_path_median                -0.0373         -0.0372            57            55            57            55
BM_sinsp_concatenate_paths_relative_path_stddev                +1.1277         +1.1305             0             0             0             0
BM_sinsp_concatenate_paths_relative_path_cv                    +1.2056         +1.2082             0             0             0             0
BM_sinsp_concatenate_paths_empty_path_mean                     -0.0530         -0.0529            25            24            25            24
BM_sinsp_concatenate_paths_empty_path_median                   -0.0520         -0.0519            25            24            25            24
BM_sinsp_concatenate_paths_empty_path_stddev                   -0.5381         -0.5361             0             0             0             0
BM_sinsp_concatenate_paths_empty_path_cv                       -0.5123         -0.5102             0             0             0             0
BM_sinsp_concatenate_paths_absolute_path_mean                  +0.0055         +0.0056            56            57            56            57
BM_sinsp_concatenate_paths_absolute_path_median                +0.0062         +0.0062            56            57            56            57
BM_sinsp_concatenate_paths_absolute_path_stddev                +1.1444         +1.1436             0             0             0             0
BM_sinsp_concatenate_paths_absolute_path_cv                    +1.1326         +1.1316             0             0             0             0
BM_sinsp_split_container_image_mean                            -0.0120         -0.0119           405           400           405           400
BM_sinsp_split_container_image_median                          -0.0150         -0.0149           406           400           406           400
BM_sinsp_split_container_image_stddev                          +0.5340         +0.5363             2             3             2             3
BM_sinsp_split_container_image_cv                              +0.5526         +0.5548             0             0             0             0

[codecov]

Codecov Report

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Additional details and impacted files

@@            Coverage Diff            @@
##             master    #2143   +/-   ##
=========================================
  Coverage          ?   74.69%           
=========================================
  Files             ?      254           
  Lines             ?    33502           
  Branches          ?     5725           
=========================================
  Hits              ?    25025           
  Misses            ?     8472           
  Partials          ?        5           

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[Andreagit97]

/approve

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Andreagit97, FedeDP, hhoffstaette

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